18866342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4957}}^1$

素因数の和:5143

約数の個数: 16

約数和(自身を含む): 31056912

約数和(自身を除く): 12190570

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 4957, 9914, 54527, 109054, 857561, 1715122, 9433171, 18866342]

約数ペア:

[(1, 18866342), (2, 9433171), (11, 1715122), (22, 857561), (173, 109054), (346, 54527), (1903, 9914), (3806, 4957)]