19460440

素因数分解:

$2^3\times 5^1\times {\mathrm{486511}}^1$

素因数の和:486522

約数の個数: 16

約数和(自身を含む): 43786080

約数和(自身を除く): 24325640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486511, 973022, 1946044, 2432555, 3892088, 4865110, 9730220, 19460440]

約数ペア:

[(1, 19460440), (2, 9730220), (4, 4865110), (5, 3892088), (8, 2432555), (10, 1946044), (20, 973022), (40, 486511)]