18721084

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 33611760

約数和(自身を除く): 14890676

約数列:

[1, 2, 4, 53, 106, 212, 233, 379, 466, 758, 932, 1516, 12349, 20087, 24698, 40174, 49396, 80348, 88307, 176614, 353228, 4680271, 9360542, 18721084]

約数ペア:

[(1, 18721084), (2, 9360542), (4, 4680271), (53, 353228), (106, 176614), (212, 88307), (233, 80348), (379, 49396), (466, 40174), (758, 24698), (932, 20087), (1516, 12349)]