19404752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71341}}^1$

素因数の和:71366

約数の個数: 20

約数和(自身を含む): 39808836

約数和(自身を除く): 20404084

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71341, 142682, 285364, 570728, 1141456, 1212797, 2425594, 4851188, 9702376, 19404752]

約数ペア:

[(1, 19404752), (2, 9702376), (4, 4851188), (8, 2425594), (16, 1212797), (17, 1141456), (34, 570728), (68, 285364), (136, 142682), (272, 71341)]