18520450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28493}}^1$

素因数の和:28518

約数の個数: 24

約数和(自身を含む): 37099188

約数和(自身を除く): 18578738

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28493, 56986, 142465, 284930, 370409, 712325, 740818, 1424650, 1852045, 3704090, 9260225, 18520450]

約数ペア:

[(1, 18520450), (2, 9260225), (5, 3704090), (10, 1852045), (13, 1424650), (25, 740818), (26, 712325), (50, 370409), (65, 284930), (130, 142465), (325, 56986), (650, 28493)]