18213858

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 42804216

約数和(自身を除く): 24590358

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 277, 281, 554, 562, 831, 843, 1662, 1686, 2493, 2529, 3601, 3653, 4986, 5058, 7202, 7306, 10803, 10959, 21606, 21918, 32409, 32877, 64818, 65754, 77837, 155674, 233511, 467022, 700533, 1011881, 1401066, 2023762, 3035643, 6071286, 9106929, 18213858]

約数ペア:

[(1, 18213858), (2, 9106929), (3, 6071286), (6, 3035643), (9, 2023762), (13, 1401066), (18, 1011881), (26, 700533), (39, 467022), (78, 233511), (117, 155674), (234, 77837), (277, 65754), (281, 64818), (554, 32877), (562, 32409), (831, 21918), (843, 21606), (1662, 10959), (1686, 10803), (2493, 7306), (2529, 7202), (3601, 5058), (3653, 4986)]