18105740

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1049}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 19996660

約数列:

[1, 2, 4, 5, 10, 20, 863, 1049, 1726, 2098, 3452, 4196, 4315, 5245, 8630, 10490, 17260, 20980, 905287, 1810574, 3621148, 4526435, 9052870, 18105740]

約数ペア:

[(1, 18105740), (2, 9052870), (4, 4526435), (5, 3621148), (10, 1810574), (20, 905287), (863, 20980), (1049, 17260), (1726, 10490), (2098, 8630), (3452, 5245), (4196, 4315)]