19460020

素因数分解:

$2^2\times 5^1\times {\mathrm{973001}}^1$

素因数の和:973010

約数の個数: 12

約数和(自身を含む): 40866084

約数和(自身を除く): 21406064

約数列:

[1, 2, 4, 5, 10, 20, 973001, 1946002, 3892004, 4865005, 9730010, 19460020]

約数ペア:

[(1, 19460020), (2, 9730010), (4, 4865005), (5, 3892004), (10, 1946002), (20, 973001)]