169408636

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{117319}}^1$

素因数の和:117361

約数の個数: 18

約数和(自身を含む): 312892440

約数和(自身を除く): 143483804

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 117319, 234638, 469276, 2229061, 4458122, 8916244, 42352159, 84704318, 169408636]

約数ペア:

[(1, 169408636), (2, 84704318), (4, 42352159), (19, 8916244), (38, 4458122), (76, 2229061), (361, 469276), (722, 234638), (1444, 117319)]