18666644

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 34254528

約数和(自身を除く): 15587884

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2647, 3526, 5294, 7052, 10588, 108527, 113821, 217054, 227642, 434108, 455284, 4666661, 9333322, 18666644]

約数ペア:

[(1, 18666644), (2, 9333322), (4, 4666661), (41, 455284), (43, 434108), (82, 227642), (86, 217054), (164, 113821), (172, 108527), (1763, 10588), (2647, 7052), (3526, 5294)]