19937000

素因数分解:

$2^3\times 5^3\times {\mathrm{19937}}^1$

素因数の和:19958

約数の個数: 32

約数和(自身を含む): 46654920

約数和(自身を除く): 26717920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 19937, 39874, 79748, 99685, 159496, 199370, 398740, 498425, 797480, 996850, 1993700, 2492125, 3987400, 4984250, 9968500, 19937000]

約数ペア:

[(1, 19937000), (2, 9968500), (4, 4984250), (5, 3987400), (8, 2492125), (10, 1993700), (20, 996850), (25, 797480), (40, 498425), (50, 398740), (100, 199370), (125, 159496), (200, 99685), (250, 79748), (500, 39874), (1000, 19937)]