18589780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84499}}^1$

素因数の和:84519

約数の個数: 24

約数和(自身を含む): 42588000

約数和(自身を除く): 23998220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84499, 168998, 337996, 422495, 844990, 929489, 1689980, 1858978, 3717956, 4647445, 9294890, 18589780]

約数ペア:

[(1, 18589780), (2, 9294890), (4, 4647445), (5, 3717956), (10, 1858978), (11, 1689980), (20, 929489), (22, 844990), (44, 422495), (55, 337996), (110, 168998), (220, 84499)]