18825140

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1181}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 39615912

約数和(自身を除く): 20790772

約数列:

[1, 2, 4, 5, 10, 20, 797, 1181, 1594, 2362, 3188, 3985, 4724, 5905, 7970, 11810, 15940, 23620, 941257, 1882514, 3765028, 4706285, 9412570, 18825140]

約数ペア:

[(1, 18825140), (2, 9412570), (4, 4706285), (5, 3765028), (10, 1882514), (20, 941257), (797, 23620), (1181, 15940), (1594, 11810), (2362, 7970), (3188, 5905), (3985, 4724)]