19953416

素因数分解:

$2^3\times 7^1\times {\mathrm{356311}}^1$

素因数の和:356324

約数の個数: 16

約数和(自身を含む): 42757440

約数和(自身を除く): 22804024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 356311, 712622, 1425244, 2494177, 2850488, 4988354, 9976708, 19953416]

約数ペア:

[(1, 19953416), (2, 9976708), (4, 4988354), (7, 2850488), (8, 2494177), (14, 1425244), (28, 712622), (56, 356311)]