18999662

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{78511}}^1$

素因数の和:78535

約数の個数: 12

約数和(自身を含む): 31326288

約数和(自身を除く): 12326626

約数列:

[1, 2, 11, 22, 121, 242, 78511, 157022, 863621, 1727242, 9499831, 18999662]

約数ペア:

[(1, 18999662), (2, 9499831), (11, 1727242), (22, 863621), (121, 157022), (242, 78511)]