19460620

素因数分解:

$2^2\times 5^1\times {\mathrm{973031}}^1$

素因数の和:973040

約数の個数: 12

約数和(自身を含む): 40867344

約数和(自身を除く): 21406724

約数列:

[1, 2, 4, 5, 10, 20, 973031, 1946062, 3892124, 4865155, 9730310, 19460620]

約数ペア:

[(1, 19460620), (2, 9730310), (4, 4865155), (5, 3892124), (10, 1946062), (20, 973031)]