18811628

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38867}}^1$

素因数の和:38893

約数の個数: 18

約数和(自身を含む): 36186108

約数和(自身を除く): 17374480

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38867, 77734, 155468, 427537, 855074, 1710148, 4702907, 9405814, 18811628]

約数ペア:

[(1, 18811628), (2, 9405814), (4, 4702907), (11, 1710148), (22, 855074), (44, 427537), (121, 155468), (242, 77734), (484, 38867)]