19820450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30493}}^1$

素因数の和:30518

約数の個数: 24

約数和(自身を含む): 39703188

約数和(自身を除く): 19882738

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30493, 60986, 152465, 304930, 396409, 762325, 792818, 1524650, 1982045, 3964090, 9910225, 19820450]

約数ペア:

[(1, 19820450), (2, 9910225), (5, 3964090), (10, 1982045), (13, 1524650), (25, 792818), (26, 762325), (50, 396409), (65, 304930), (130, 152465), (325, 60986), (650, 30493)]