19303220

素因数分解:

$2^2\times 5^1\times {\mathrm{965161}}^1$

素因数の和:965170

約数の個数: 12

約数和(自身を含む): 40536804

約数和(自身を除く): 21233584

約数列:

[1, 2, 4, 5, 10, 20, 965161, 1930322, 3860644, 4825805, 9651610, 19303220]

約数ペア:

[(1, 19303220), (2, 9651610), (4, 4825805), (5, 3860644), (10, 1930322), (20, 965161)]