18665756

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{337}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 33445776

約数和(自身を除く): 14780020

約数列:

[1, 2, 4, 61, 122, 227, 244, 337, 454, 674, 908, 1348, 13847, 20557, 27694, 41114, 55388, 76499, 82228, 152998, 305996, 4666439, 9332878, 18665756]

約数ペア:

[(1, 18665756), (2, 9332878), (4, 4666439), (61, 305996), (122, 152998), (227, 82228), (244, 76499), (337, 55388), (454, 41114), (674, 27694), (908, 20557), (1348, 13847)]