19620866

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:949

約数の個数: 16

約数和(自身を含む): 29981880

約数和(自身を除く): 10361014

約数列:

[1, 2, 101, 137, 202, 274, 709, 1418, 13837, 27674, 71609, 97133, 143218, 194266, 9810433, 19620866]

約数ペア:

[(1, 19620866), (2, 9810433), (101, 194266), (137, 143218), (202, 97133), (274, 71609), (709, 27674), (1418, 13837)]