18690737

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 21880320

約数和(自身を除く): 3189583

約数列:

[1, 13, 19, 31, 247, 403, 589, 2441, 7657, 31733, 46379, 75671, 602927, 983723, 1437749, 18690737]

約数ペア:

[(1, 18690737), (13, 1437749), (19, 983723), (31, 602927), (247, 75671), (403, 46379), (589, 31733), (2441, 7657)]