18198998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{11681}}^1$

素因数の和:11743

約数の個数: 16

約数和(自身を含む): 29438640

約数和(自身を除く): 11239642

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 11681, 23362, 221939, 443878, 478921, 957842, 9099499, 18198998]

約数ペア:

[(1, 18198998), (2, 9099499), (19, 957842), (38, 478921), (41, 443878), (82, 221939), (779, 23362), (1558, 11681)]