19619182

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{81071}}^1$

素因数の和:81095

約数の個数: 12

約数和(自身を含む): 32347728

約数和(自身を除く): 12728546

約数列:

[1, 2, 11, 22, 121, 242, 81071, 162142, 891781, 1783562, 9809591, 19619182]

約数ペア:

[(1, 19619182), (2, 9809591), (11, 1783562), (22, 891781), (121, 162142), (242, 81071)]