19820866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3329}}^1$

素因数の和:3573

約数の個数: 16

約数和(自身を含む): 32167800

約数和(自身を除く): 12346934

約数列:

[1, 2, 13, 26, 229, 458, 2977, 3329, 5954, 6658, 43277, 86554, 762341, 1524682, 9910433, 19820866]

約数ペア:

[(1, 19820866), (2, 9910433), (13, 1524682), (26, 762341), (229, 86554), (458, 43277), (2977, 6658), (3329, 5954)]