19625474

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{81097}}^1$

素因数の和:81121

約数の個数: 12

約数和(自身を含む): 32358102

約数和(自身を除く): 12732628

約数列:

[1, 2, 11, 22, 121, 242, 81097, 162194, 892067, 1784134, 9812737, 19625474]

約数ペア:

[(1, 19625474), (2, 9812737), (11, 1784134), (22, 892067), (121, 162194), (242, 81097)]