18796940

素因数分解:

$2^2\times 5^1\times {\mathrm{939847}}^1$

素因数の和:939856

約数の個数: 12

約数和(自身を含む): 39473616

約数和(自身を除く): 20676676

約数列:

[1, 2, 4, 5, 10, 20, 939847, 1879694, 3759388, 4699235, 9398470, 18796940]

約数ペア:

[(1, 18796940), (2, 9398470), (4, 4699235), (5, 3759388), (10, 1879694), (20, 939847)]