1990993818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{185071}}^1$

素因数の和:185250

約数の個数: 32

約数和(自身を含む): 4370660352

約数和(自身を除く): 2379666534

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 163, 326, 489, 978, 1793, 3586, 5379, 10758, 185071, 370142, 555213, 1110426, 2035781, 4071562, 6107343, 12214686, 30166573, 60333146, 90499719, 180999438, 331832303, 663664606, 995496909, 1990993818]

約数ペア:

[(1, 1990993818), (2, 995496909), (3, 663664606), (6, 331832303), (11, 180999438), (22, 90499719), (33, 60333146), (66, 30166573), (163, 12214686), (326, 6107343), (489, 4071562), (978, 2035781), (1793, 1110426), (3586, 555213), (5379, 370142), (10758, 185071)]