18419386

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:669

約数の個数: 16

約数和(自身を含む): 28052640

約数和(自身を除く): 9633254

約数列:

[1, 2, 131, 229, 262, 307, 458, 614, 29999, 40217, 59998, 70303, 80434, 140606, 9209693, 18419386]

約数ペア:

[(1, 18419386), (2, 9209693), (131, 140606), (229, 80434), (262, 70303), (307, 59998), (458, 40217), (614, 29999)]