19668350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30259}}^1$

素因数の和:30284

約数の個数: 24

約数和(自身を含む): 39398520

約数和(自身を除く): 19730170

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30259, 60518, 151295, 302590, 393367, 756475, 786734, 1512950, 1966835, 3933670, 9834175, 19668350]

約数ペア:

[(1, 19668350), (2, 9834175), (5, 3933670), (10, 1966835), (13, 1512950), (25, 786734), (26, 756475), (50, 393367), (65, 302590), (130, 151295), (325, 60518), (650, 30259)]