18874000

素因数分解:

$2^4\times 5^3\times {\mathrm{9437}}^1$

素因数の和:9460

約数の個数: 40

約数和(自身を含む): 45642168

約数和(自身を除く): 26768168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9437, 18874, 37748, 47185, 75496, 94370, 150992, 188740, 235925, 377480, 471850, 754960, 943700, 1179625, 1887400, 2359250, 3774800, 4718500, 9437000, 18874000]

約数ペア:

[(1, 18874000), (2, 9437000), (4, 4718500), (5, 3774800), (8, 2359250), (10, 1887400), (16, 1179625), (20, 943700), (25, 754960), (40, 471850), (50, 377480), (80, 235925), (100, 188740), (125, 150992), (200, 94370), (250, 75496), (400, 47185), (500, 37748), (1000, 18874), (2000, 9437)]