19086800

素因数分解:

$2^4\times 5^2\times {\mathrm{47717}}^1$

素因数の和:47735

約数の個数: 30

約数和(自身を含む): 45856998

約数和(自身を除く): 26770198

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 47717, 95434, 190868, 238585, 381736, 477170, 763472, 954340, 1192925, 1908680, 2385850, 3817360, 4771700, 9543400, 19086800]

約数ペア:

[(1, 19086800), (2, 9543400), (4, 4771700), (5, 3817360), (8, 2385850), (10, 1908680), (16, 1192925), (20, 954340), (25, 763472), (40, 477170), (50, 381736), (80, 238585), (100, 190868), (200, 95434), (400, 47717)]