19507540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75029}}^1$

素因数の和:75051

約数の個数: 24

約数和(自身を含む): 44117640

約数和(自身を除く): 24610100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75029, 150058, 300116, 375145, 750290, 975377, 1500580, 1950754, 3901508, 4876885, 9753770, 19507540]

約数ペア:

[(1, 19507540), (2, 9753770), (4, 4876885), (5, 3901508), (10, 1950754), (13, 1500580), (20, 975377), (26, 750290), (52, 375145), (65, 300116), (130, 150058), (260, 75029)]