19992660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6287}}^1$

素因数の和:6352

約数の個数: 48

約数和(自身を含む): 57044736

約数和(自身を除く): 37052076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6287, 12574, 18861, 25148, 31435, 37722, 62870, 75444, 94305, 125740, 188610, 333211, 377220, 666422, 999633, 1332844, 1666055, 1999266, 3332110, 3998532, 4998165, 6664220, 9996330, 19992660]

約数ペア:

[(1, 19992660), (2, 9996330), (3, 6664220), (4, 4998165), (5, 3998532), (6, 3332110), (10, 1999266), (12, 1666055), (15, 1332844), (20, 999633), (30, 666422), (53, 377220), (60, 333211), (106, 188610), (159, 125740), (212, 94305), (265, 75444), (318, 62870), (530, 37722), (636, 31435), (795, 25148), (1060, 18861), (1590, 12574), (3180, 6287)]