18918262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45259}}^1$

素因数の和:45291

約数の個数: 16

約数和(自身を含む): 32587200

約数和(自身を除く): 13668938

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 45259, 90518, 497849, 859921, 995698, 1719842, 9459131, 18918262]

約数ペア:

[(1, 18918262), (2, 9459131), (11, 1719842), (19, 995698), (22, 859921), (38, 497849), (209, 90518), (418, 45259)]