18726172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4649}}^1$

素因数の和:4725

約数の個数: 24

約数和(自身を含む): 35154000

約数和(自身を除く): 16427828

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 4649, 9298, 18596, 88331, 176662, 246397, 353324, 492794, 985588, 4681543, 9363086, 18726172]

約数ペア:

[(1, 18726172), (2, 9363086), (4, 4681543), (19, 985588), (38, 492794), (53, 353324), (76, 246397), (106, 176662), (212, 88331), (1007, 18596), (2014, 9298), (4028, 4649)]