19721661206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44619143}}^1$

素因数の和:44619175

約数の個数: 16

約数和(自身を含む): 33732072864

約数和(自身を除く): 14010411658

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44619143, 89238286, 580048859, 758525431, 1160097718, 1517050862, 9860830603, 19721661206]

約数ペア:

[(1, 19721661206), (2, 9860830603), (13, 1517050862), (17, 1160097718), (26, 758525431), (34, 580048859), (221, 89238286), (442, 44619143)]