18811844

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2129}}^1$

素因数の和:2227

約数の個数: 18

約数和(自身を含む): 33651870

約数和(自身を除く): 14840026

約数列:

[1, 2, 4, 47, 94, 188, 2129, 2209, 4258, 4418, 8516, 8836, 100063, 200126, 400252, 4702961, 9405922, 18811844]

約数ペア:

[(1, 18811844), (2, 9405922), (4, 4702961), (47, 400252), (94, 200126), (188, 100063), (2129, 8836), (2209, 8516), (4258, 4418)]