19617939187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{27793}}^1$

素因数の和:28003

約数の個数: 32

約数和(自身を含む): 24974576640

約数和(自身を除く): 5356637453

約数列:

[1, 7, 11, 77, 89, 103, 623, 721, 979, 1133, 6853, 7931, 9167, 27793, 64169, 100837, 194551, 305723, 705859, 2140061, 2473577, 2862679, 17315039, 20038753, 27209347, 31489469, 190465429, 220426283, 254778431, 1783449017, 2802562741, 19617939187]

約数ペア:

[(1, 19617939187), (7, 2802562741), (11, 1783449017), (77, 254778431), (89, 220426283), (103, 190465429), (623, 31489469), (721, 27209347), (979, 20038753), (1133, 17315039), (6853, 2862679), (7931, 2473577), (9167, 2140061), (27793, 705859), (64169, 305723), (100837, 194551)]