19992012140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13693159}}^1$

素因数の和:13693241

約数の個数: 24

約数和(自身を含む): 42558341280

約数和(自身を除く): 22566329140

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13693159, 27386318, 54772636, 68465795, 136931590, 273863180, 999600607, 1999201214, 3998402428, 4998003035, 9996006070, 19992012140]

約数ペア:

[(1, 19992012140), (2, 9996006070), (4, 4998003035), (5, 3998402428), (10, 1999201214), (20, 999600607), (73, 273863180), (146, 136931590), (292, 68465795), (365, 54772636), (730, 27386318), (1460, 13693159)]