19149724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{435221}}^1$

素因数の和:435236

約数の個数: 12

約数和(自身を含む): 36558648

約数和(自身を除く): 17408924

約数列:

[1, 2, 4, 11, 22, 44, 435221, 870442, 1740884, 4787431, 9574862, 19149724]

約数ペア:

[(1, 19149724), (2, 9574862), (4, 4787431), (11, 1740884), (22, 870442), (44, 435221)]