18007505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 24427008

約数和(自身を除く): 6419503

約数列:

[1, 5, 17, 23, 61, 85, 115, 151, 305, 391, 755, 1037, 1403, 1955, 2567, 3473, 5185, 7015, 9211, 12835, 17365, 23851, 46055, 59041, 119255, 156587, 211853, 295205, 782935, 1059265, 3601501, 18007505]

約数ペア:

[(1, 18007505), (5, 3601501), (17, 1059265), (23, 782935), (61, 295205), (85, 211853), (115, 156587), (151, 119255), (305, 59041), (391, 46055), (755, 23851), (1037, 17365), (1403, 12835), (1955, 9211), (2567, 7015), (3473, 5185)]