19847908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4111}}^1$

素因数の和:4203

約数の個数: 24

約数和(自身を含む): 37304064

約数和(自身を除く): 17456156

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4111, 4828, 8222, 16444, 69887, 139774, 279548, 291881, 583762, 1167524, 4961977, 9923954, 19847908]

約数ペア:

[(1, 19847908), (2, 9923954), (4, 4961977), (17, 1167524), (34, 583762), (68, 291881), (71, 279548), (142, 139774), (284, 69887), (1207, 16444), (2414, 8222), (4111, 4828)]