19454004

素因数分解:

$2^2\times 3^2\times {\mathrm{540389}}^1$

素因数の和:540399

約数の個数: 18

約数和(自身を含む): 49175490

約数和(自身を除く): 29721486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 540389, 1080778, 1621167, 2161556, 3242334, 4863501, 6484668, 9727002, 19454004]

約数ペア:

[(1, 19454004), (2, 9727002), (3, 6484668), (4, 4863501), (6, 3242334), (9, 2161556), (12, 1621167), (18, 1080778), (36, 540389)]