18726140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40709}}^1$

素因数の和:40741

約数の個数: 24

約数和(自身を含む): 41035680

約数和(自身を除く): 22309540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40709, 81418, 162836, 203545, 407090, 814180, 936307, 1872614, 3745228, 4681535, 9363070, 18726140]

約数ペア:

[(1, 18726140), (2, 9363070), (4, 4681535), (5, 3745228), (10, 1872614), (20, 936307), (23, 814180), (46, 407090), (92, 203545), (115, 162836), (230, 81418), (460, 40709)]