19443640

素因数分解:

$2^3\times 5^1\times {\mathrm{486091}}^1$

素因数の和:486102

約数の個数: 16

約数和(自身を含む): 43748280

約数和(自身を除く): 24304640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486091, 972182, 1944364, 2430455, 3888728, 4860910, 9721820, 19443640]

約数ペア:

[(1, 19443640), (2, 9721820), (4, 4860910), (5, 3888728), (8, 2430455), (10, 1944364), (20, 972182), (40, 486091)]