19793960

素因数分解:

$2^3\times 5^1\times {\mathrm{494849}}^1$

素因数の和:494860

約数の個数: 16

約数和(自身を含む): 44536500

約数和(自身を除く): 24742540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 494849, 989698, 1979396, 2474245, 3958792, 4948490, 9896980, 19793960]

約数ペア:

[(1, 19793960), (2, 9896980), (4, 4948490), (5, 3958792), (8, 2474245), (10, 1979396), (20, 989698), (40, 494849)]