18112778882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1280417}}^1$

素因数の和:1281073

約数の個数: 16

約数和(自身を含む): 29685210912

約数和(自身を除く): 11572432030

約数列:

[1, 2, 11, 22, 643, 1286, 7073, 14146, 1280417, 2560834, 14084587, 28169174, 823308131, 1646616262, 9056389441, 18112778882]

約数ペア:

[(1, 18112778882), (2, 9056389441), (11, 1646616262), (22, 823308131), (643, 28169174), (1286, 14084587), (7073, 2560834), (14146, 1280417)]