18623180

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1151}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 20567860

約数列:

[1, 2, 4, 5, 10, 20, 809, 1151, 1618, 2302, 3236, 4045, 4604, 5755, 8090, 11510, 16180, 23020, 931159, 1862318, 3724636, 4655795, 9311590, 18623180]

約数ペア:

[(1, 18623180), (2, 9311590), (4, 4655795), (5, 3724636), (10, 1862318), (20, 931159), (809, 23020), (1151, 16180), (1618, 11510), (2302, 8090), (3236, 5755), (4045, 4604)]