18458404

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2089}}^1$

素因数の和:2187

約数の個数: 18

約数和(自身を含む): 33019910

約数和(自身を除く): 14561506

約数列:

[1, 2, 4, 47, 94, 188, 2089, 2209, 4178, 4418, 8356, 8836, 98183, 196366, 392732, 4614601, 9229202, 18458404]

約数ペア:

[(1, 18458404), (2, 9229202), (4, 4614601), (47, 392732), (94, 196366), (188, 98183), (2089, 8836), (2209, 8356), (4178, 4418)]