18814655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2713}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 24100320

約数和(自身を除く): 5285665

約数列:

[1, 5, 19, 73, 95, 365, 1387, 2713, 6935, 13565, 51547, 198049, 257735, 990245, 3762931, 18814655]

約数ペア:

[(1, 18814655), (5, 3762931), (19, 990245), (73, 257735), (95, 198049), (365, 51547), (1387, 13565), (2713, 6935)]