18843640

素因数分解:

$2^3\times 5^1\times {\mathrm{471091}}^1$

素因数の和:471102

約数の個数: 16

約数和(自身を含む): 42398280

約数和(自身を除く): 23554640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471091, 942182, 1884364, 2355455, 3768728, 4710910, 9421820, 18843640]

約数ペア:

[(1, 18843640), (2, 9421820), (4, 4710910), (5, 3768728), (8, 2355455), (10, 1884364), (20, 942182), (40, 471091)]