18885262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27691}}^1$

素因数の和:27735

約数の個数: 16

約数和(自身を含む): 31901184

約数和(自身を除く): 13015922

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27691, 55382, 304601, 609202, 858421, 1716842, 9442631, 18885262]

約数ペア:

[(1, 18885262), (2, 9442631), (11, 1716842), (22, 858421), (31, 609202), (62, 304601), (341, 55382), (682, 27691)]