18680522

素因数分解:

$2^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1409}}^1$

素因数の和:2365

約数の個数: 16

約数和(自身を含む): 32080320

約数和(自身を除く): 13399798

約数列:

[1, 2, 7, 14, 947, 1409, 1894, 2818, 6629, 9863, 13258, 19726, 1334323, 2668646, 9340261, 18680522]

約数ペア:

[(1, 18680522), (2, 9340261), (7, 2668646), (14, 1334323), (947, 19726), (1409, 13258), (1894, 9863), (2818, 6629)]