Alaska is about 1.9 times smaller than Argentina.

Argentina is approximately 2,780,400 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 53.28% the size of Argentina. Meanwhile, the population of Argentina is ~46.2 million people (45.5 million fewer people live in Alaska).
Tip: This to-scale comparison of Argentina vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.