9428420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2393}}^1$

素因数の和:2599

約数の個数: 24

約数和(自身を含む): 19908504

約数和(自身を除く): 10480084

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2393, 3940, 4786, 9572, 11965, 23930, 47860, 471421, 942842, 1885684, 2357105, 4714210, 9428420]

約数ペア:

[(1, 9428420), (2, 4714210), (4, 2357105), (5, 1885684), (10, 942842), (20, 471421), (197, 47860), (394, 23930), (788, 11965), (985, 9572), (1970, 4786), (2393, 3940)]