19680372

素因数分解:

$2^2\times 3^2\times {\mathrm{546677}}^1$

素因数の和:546687

約数の個数: 18

約数和(自身を含む): 49747698

約数和(自身を除く): 30067326

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 546677, 1093354, 1640031, 2186708, 3280062, 4920093, 6560124, 9840186, 19680372]

約数ペア:

[(1, 19680372), (2, 9840186), (3, 6560124), (4, 4920093), (6, 3280062), (9, 2186708), (12, 1640031), (18, 1093354), (36, 546677)]