19424560

素因数分解:

$2^4\times 5^1\times {\mathrm{242807}}^1$

素因数の和:242820

約数の個数: 20

約数和(自身を含む): 45162288

約数和(自身を除く): 25737728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242807, 485614, 971228, 1214035, 1942456, 2428070, 3884912, 4856140, 9712280, 19424560]

約数ペア:

[(1, 19424560), (2, 9712280), (4, 4856140), (5, 3884912), (8, 2428070), (10, 1942456), (16, 1214035), (20, 971228), (40, 485614), (80, 242807)]