19811238

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{25999}}^1$

素因数の和:26131

約数の個数: 16

約数和(自身を含む): 39936000

約数和(自身を除く): 20124762

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 25999, 51998, 77997, 155994, 3301873, 6603746, 9905619, 19811238]

約数ペア:

[(1, 19811238), (2, 9905619), (3, 6603746), (6, 3301873), (127, 155994), (254, 77997), (381, 51998), (762, 25999)]