18886970879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{560827}}^1$

素因数の和:561134

約数の個数: 16

約数和(自身を含む): 22935621888

約数和(自身を除く): 4048651009

約数列:

[1, 7, 17, 119, 283, 1981, 4811, 33677, 560827, 3925789, 9534059, 66738413, 158714041, 1110998287, 2698138697, 18886970879]

約数ペア:

[(1, 18886970879), (7, 2698138697), (17, 1110998287), (119, 158714041), (283, 66738413), (1981, 9534059), (4811, 3925789), (33677, 560827)]