19660147209

素因数分解:

$3^2\times {\mathrm{1361}}^1\times {\mathrm{1605041}}^1$

素因数の和:1606408

約数の個数: 12

約数和(自身を含む): 28418873652

約数和(自身を除く): 8758726443

約数列:

[1, 3, 9, 1361, 4083, 12249, 1605041, 4815123, 14445369, 2184460801, 6553382403, 19660147209]

約数ペア:

[(1, 19660147209), (3, 6553382403), (9, 2184460801), (1361, 14445369), (4083, 4815123), (12249, 1605041)]