17988674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{3109}}^1$

素因数の和:3385

約数の個数: 16

約数和(自身を含む): 29557440

約数和(自身を除く): 11568766

約数列:

[1, 2, 11, 22, 263, 526, 2893, 3109, 5786, 6218, 34199, 68398, 817667, 1635334, 8994337, 17988674]

約数ペア:

[(1, 17988674), (2, 8994337), (11, 1635334), (22, 817667), (263, 68398), (526, 34199), (2893, 6218), (3109, 5786)]