18612945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31817}}^1$

素因数の和:31841

約数の個数: 24

約数和(自身を含む): 34745256

約数和(自身を除く): 16132311

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31817, 95451, 159085, 286353, 413621, 477255, 1240863, 1431765, 2068105, 3722589, 6204315, 18612945]

約数ペア:

[(1, 18612945), (3, 6204315), (5, 3722589), (9, 2068105), (13, 1431765), (15, 1240863), (39, 477255), (45, 413621), (65, 286353), (117, 159085), (195, 95451), (585, 31817)]