19727019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1213}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 30932720

約数和(自身を除く): 11205701

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 1213, 1251, 1807, 3639, 5421, 10917, 15769, 16263, 47307, 141921, 168607, 505821, 1517463, 2191891, 6575673, 19727019]

約数ペア:

[(1, 19727019), (3, 6575673), (9, 2191891), (13, 1517463), (39, 505821), (117, 168607), (139, 141921), (417, 47307), (1213, 16263), (1251, 15769), (1807, 10917), (3639, 5421)]