19786316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449689}}^1$

素因数の和:449704

約数の個数: 12

約数和(自身を含む): 37773960

約数和(自身を除く): 17987644

約数列:

[1, 2, 4, 11, 22, 44, 449689, 899378, 1798756, 4946579, 9893158, 19786316]

約数ペア:

[(1, 19786316), (2, 9893158), (4, 4946579), (11, 1798756), (22, 899378), (44, 449689)]