18996880618

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{359}}^1\times {\mathrm{73291}}^1$

素因数の和:73690

約数の個数: 24

約数和(自身を含む): 30158192160

約数和(自身を除く): 11161311542

約数列:

[1, 2, 19, 38, 359, 361, 718, 722, 6821, 13642, 73291, 129599, 146582, 259198, 1392529, 2785058, 26311469, 26458051, 52622938, 52916102, 499917911, 999835822, 9498440309, 18996880618]

約数ペア:

[(1, 18996880618), (2, 9498440309), (19, 999835822), (38, 499917911), (359, 52916102), (361, 52622938), (718, 26458051), (722, 26311469), (6821, 2785058), (13642, 1392529), (73291, 259198), (129599, 146582)]