18408901

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 3767099

約数列:

[1, 7, 23, 109, 161, 763, 1049, 2507, 7343, 17549, 24127, 114341, 168889, 800387, 2629843, 18408901]

約数ペア:

[(1, 18408901), (7, 2629843), (23, 800387), (109, 168889), (161, 114341), (763, 24127), (1049, 17549), (2507, 7343)]