19135640

素因数分解:

$2^3\times 5^1\times {\mathrm{478391}}^1$

素因数の和:478402

約数の個数: 16

約数和(自身を含む): 43055280

約数和(自身を除く): 23919640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478391, 956782, 1913564, 2391955, 3827128, 4783910, 9567820, 19135640]

約数ペア:

[(1, 19135640), (2, 9567820), (4, 4783910), (5, 3827128), (8, 2391955), (10, 1913564), (20, 956782), (40, 478391)]