18528096380

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{657491}}^1$

素因数の和:658909

約数の個数: 24

約数和(自身を含む): 38936676240

約数和(自身を除く): 20408579860

約数列:

[1, 2, 4, 5, 10, 20, 1409, 2818, 5636, 7045, 14090, 28180, 657491, 1314982, 2629964, 3287455, 6574910, 13149820, 926404819, 1852809638, 3705619276, 4632024095, 9264048190, 18528096380]

約数ペア:

[(1, 18528096380), (2, 9264048190), (4, 4632024095), (5, 3705619276), (10, 1852809638), (20, 926404819), (1409, 13149820), (2818, 6574910), (5636, 3287455), (7045, 2629964), (14090, 1314982), (28180, 657491)]