19942668

素因数分解:

$2^2\times 3^2\times {\mathrm{553963}}^1$

素因数の和:553973

約数の個数: 18

約数和(自身を含む): 50410724

約数和(自身を除く): 30468056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553963, 1107926, 1661889, 2215852, 3323778, 4985667, 6647556, 9971334, 19942668]

約数ペア:

[(1, 19942668), (2, 9971334), (3, 6647556), (4, 4985667), (6, 3323778), (9, 2215852), (12, 1661889), (18, 1107926), (36, 553963)]