18529918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{2657}}^1$

素因数の和:2987

約数の個数: 16

約数和(自身を含む): 30428784

約数和(自身を除く): 11898866

約数列:

[1, 2, 11, 22, 317, 634, 2657, 3487, 5314, 6974, 29227, 58454, 842269, 1684538, 9264959, 18529918]

約数ペア:

[(1, 18529918), (2, 9264959), (11, 1684538), (22, 842269), (317, 58454), (634, 29227), (2657, 6974), (3487, 5314)]