19555855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3323}}^1$

素因数の和:3446

約数の個数: 16

約数和(自身を含む): 25847424

約数和(自身を除く): 6291569

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3323, 5885, 16615, 36553, 182765, 355561, 1777805, 3911171, 19555855]

約数ペア:

[(1, 19555855), (5, 3911171), (11, 1777805), (55, 355561), (107, 182765), (535, 36553), (1177, 16615), (3323, 5885)]