19572820

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3533}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 41262984

約数和(自身を除く): 21690164

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3533, 5540, 7066, 14132, 17665, 35330, 70660, 978641, 1957282, 3914564, 4893205, 9786410, 19572820]

約数ペア:

[(1, 19572820), (2, 9786410), (4, 4893205), (5, 3914564), (10, 1957282), (20, 978641), (277, 70660), (554, 35330), (1108, 17665), (1385, 14132), (2770, 7066), (3533, 5540)]