18723004

素因数分解:

$2^2\times {\mathrm{1009}}^1\times {\mathrm{4639}}^1$

素因数の和:5652

約数の個数: 12

約数和(自身を含む): 32804800

約数和(自身を除く): 14081796

約数列:

[1, 2, 4, 1009, 2018, 4036, 4639, 9278, 18556, 4680751, 9361502, 18723004]

約数ペア:

[(1, 18723004), (2, 9361502), (4, 4680751), (1009, 18556), (2018, 9278), (4036, 4639)]