19542920

素因数分解:

$2^3\times 5^1\times {\mathrm{488573}}^1$

素因数の和:488584

約数の個数: 16

約数和(自身を含む): 43971660

約数和(自身を除く): 24428740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 488573, 977146, 1954292, 2442865, 3908584, 4885730, 9771460, 19542920]

約数ペア:

[(1, 19542920), (2, 9771460), (4, 4885730), (5, 3908584), (8, 2442865), (10, 1954292), (20, 977146), (40, 488573)]