19717607

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5039}}^1$

素因数の和:5102

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 5119513

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5039, 35273, 65507, 216677, 458549, 1516739, 2816801, 19717607]

約数ペア:

[(1, 19717607), (7, 2816801), (13, 1516739), (43, 458549), (91, 216677), (301, 65507), (559, 35273), (3913, 5039)]