18789866

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1357

約数の個数: 16

約数和(自身を含む): 28859328

約数和(自身を除く): 10069462

約数列:

[1, 2, 71, 113, 142, 226, 1171, 2342, 8023, 16046, 83141, 132323, 166282, 264646, 9394933, 18789866]

約数ペア:

[(1, 18789866), (2, 9394933), (71, 264646), (113, 166282), (142, 132323), (226, 83141), (1171, 16046), (2342, 8023)]