19806273

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 9983487

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 839, 2517, 2623, 7551, 7869, 23607, 36077, 51179, 108231, 153537, 324693, 460611, 2200697, 6602091, 19806273]

約数ペア:

[(1, 19806273), (3, 6602091), (9, 2200697), (43, 460611), (61, 324693), (129, 153537), (183, 108231), (387, 51179), (549, 36077), (839, 23607), (2517, 7869), (2623, 7551)]