18466640

素因数分解:

$2^4\times 5^1\times {\mathrm{230833}}^1$

素因数の和:230846

約数の個数: 20

約数和(自身を含む): 42935124

約数和(自身を除く): 24468484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230833, 461666, 923332, 1154165, 1846664, 2308330, 3693328, 4616660, 9233320, 18466640]

約数ペア:

[(1, 18466640), (2, 9233320), (4, 4616660), (5, 3693328), (8, 2308330), (10, 1846664), (16, 1154165), (20, 923332), (40, 461666), (80, 230833)]