19885382

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{82171}}^1$

素因数の和:82195

約数の個数: 12

約数和(自身を含む): 32786628

約数和(自身を除く): 12901246

約数列:

[1, 2, 11, 22, 121, 242, 82171, 164342, 903881, 1807762, 9942691, 19885382]

約数ペア:

[(1, 19885382), (2, 9942691), (11, 1807762), (22, 903881), (121, 164342), (242, 82171)]