18720682

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{228301}}^1$

素因数の和:228344

約数の個数: 8

約数和(自身を含む): 28766052

約数和(自身を除く): 10045370

約数列:

[1, 2, 41, 82, 228301, 456602, 9360341, 18720682]

約数ペア:

[(1, 18720682), (2, 9360341), (41, 456602), (82, 228301)]