19943702

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 30393792

約数和(自身を除く): 10450090

約数列:

[1, 2, 131, 163, 262, 326, 467, 934, 21353, 42706, 61177, 76121, 122354, 152242, 9971851, 19943702]

約数ペア:

[(1, 19943702), (2, 9971851), (131, 152242), (163, 122354), (262, 76121), (326, 61177), (467, 42706), (934, 21353)]