19231180

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2351}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 40501440

約数和(自身を除く): 21270260

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 2351, 4090, 4702, 8180, 9404, 11755, 23510, 47020, 961559, 1923118, 3846236, 4807795, 9615590, 19231180]

約数ペア:

[(1, 19231180), (2, 9615590), (4, 4807795), (5, 3846236), (10, 1923118), (20, 961559), (409, 47020), (818, 23510), (1636, 11755), (2045, 9404), (2351, 8180), (4090, 4702)]