19995796078

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{2213}}^1\times {\mathrm{17579}}^1$

素因数の和:20051

約数の個数: 16

約数和(自身を含む): 30125720880

約数和(自身を除く): 10129924802

約数列:

[1, 2, 257, 514, 2213, 4426, 17579, 35158, 568741, 1137482, 4517803, 9035606, 38902327, 77804654, 9997898039, 19995796078]

約数ペア:

[(1, 19995796078), (2, 9997898039), (257, 77804654), (514, 38902327), (2213, 9035606), (4426, 4517803), (17579, 1137482), (35158, 568741)]