18471508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2131}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 35459424

約数和(自身を除く): 16987916

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2131, 2167, 4262, 4334, 8524, 8668, 23441, 46882, 93764, 419807, 839614, 1679228, 4617877, 9235754, 18471508]

約数ペア:

[(1, 18471508), (2, 9235754), (4, 4617877), (11, 1679228), (22, 839614), (44, 419807), (197, 93764), (394, 46882), (788, 23441), (2131, 8668), (2167, 8524), (4262, 4334)]