18620206

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{76943}}^1$

素因数の和:76967

約数の個数: 12

約数和(自身を含む): 30700656

約数和(自身を除く): 12080450

約数列:

[1, 2, 11, 22, 121, 242, 76943, 153886, 846373, 1692746, 9310103, 18620206]

約数ペア:

[(1, 18620206), (2, 9310103), (11, 1692746), (22, 846373), (121, 153886), (242, 76943)]