18725941

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 20870080

約数和(自身を除く): 2144139

約数列:

[1, 13, 43, 139, 241, 559, 1807, 3133, 5977, 10363, 33499, 77701, 134719, 435487, 1440457, 18725941]

約数ペア:

[(1, 18725941), (13, 1440457), (43, 435487), (139, 134719), (241, 77701), (559, 33499), (1807, 10363), (3133, 5977)]