18521914

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2111}}^1$

素因数の和:2261

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 10218182

約数列:

[1, 2, 41, 82, 107, 214, 2111, 4222, 4387, 8774, 86551, 173102, 225877, 451754, 9260957, 18521914]

約数ペア:

[(1, 18521914), (2, 9260957), (41, 451754), (82, 225877), (107, 173102), (214, 86551), (2111, 8774), (4222, 4387)]