19817926

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4903}}^1$

素因数の和:4995

約数の個数: 16

約数和(自身を含む): 31071744

約数和(自身を除く): 11253818

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 4903, 9806, 210829, 230441, 421658, 460882, 9908963, 19817926]

約数ペア:

[(1, 19817926), (2, 9908963), (43, 460882), (47, 421658), (86, 230441), (94, 210829), (2021, 9806), (4042, 4903)]