18660818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4903}}^1$

素因数の和:5089

約数の個数: 16

約数和(自身を含む): 30718656

約数和(自身を除く): 12057838

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 4903, 9806, 53933, 107866, 848219, 1696438, 9330409, 18660818]

約数ペア:

[(1, 18660818), (2, 9330409), (11, 1696438), (22, 848219), (173, 107866), (346, 53933), (1903, 9806), (3806, 4903)]