19973926

素因数分解:

$2^1\times 7^1\times {\mathrm{829}}^1\times {\mathrm{1721}}^1$

素因数の和:2559

約数の個数: 16

約数和(自身を含む): 34302240

約数和(自身を除く): 14328314

約数列:

[1, 2, 7, 14, 829, 1658, 1721, 3442, 5803, 11606, 12047, 24094, 1426709, 2853418, 9986963, 19973926]

約数ペア:

[(1, 19973926), (2, 9986963), (7, 2853418), (14, 1426709), (829, 24094), (1658, 12047), (1721, 11606), (3442, 5803)]