2019906020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9181391}}^1$

素因数の和:9181411

約数の個数: 24

約数和(自身を含む): 4627421568

約数和(自身を除く): 2607515548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9181391, 18362782, 36725564, 45906955, 91813910, 100995301, 183627820, 201990602, 403981204, 504976505, 1009953010, 2019906020]

約数ペア:

[(1, 2019906020), (2, 1009953010), (4, 504976505), (5, 403981204), (10, 201990602), (11, 183627820), (20, 100995301), (22, 91813910), (44, 45906955), (55, 36725564), (110, 18362782), (220, 9181391)]