19118396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{434509}}^1$

素因数の和:434524

約数の個数: 12

約数和(自身を含む): 36498840

約数和(自身を除く): 17380444

約数列:

[1, 2, 4, 11, 22, 44, 434509, 869018, 1738036, 4779599, 9559198, 19118396]

約数ペア:

[(1, 19118396), (2, 9559198), (4, 4779599), (11, 1738036), (22, 869018), (44, 434509)]