18677714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20707}}^1$

素因数の和:20761

約数の個数: 16

約数和(自身を含む): 31310496

約数和(自身を除く): 12632782

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20707, 41414, 227777, 455554, 848987, 1697974, 9338857, 18677714]

約数ペア:

[(1, 18677714), (2, 9338857), (11, 1697974), (22, 848987), (41, 455554), (82, 227777), (451, 41414), (902, 20707)]