19568140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4637}}^1$

素因数の和:4857

約数の個数: 24

約数和(自身を含む): 41296752

約数和(自身を除く): 21728612

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4637, 9274, 18548, 23185, 46370, 92740, 978407, 1956814, 3913628, 4892035, 9784070, 19568140]

約数ペア:

[(1, 19568140), (2, 9784070), (4, 4892035), (5, 3913628), (10, 1956814), (20, 978407), (211, 92740), (422, 46370), (844, 23185), (1055, 18548), (2110, 9274), (4220, 4637)]