18131998

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{4153}}^1$

素因数の和:4251

約数の個数: 16

約数和(自身を含む): 28413360

約数和(自身を除く): 10281362

約数列:

[1, 2, 37, 59, 74, 118, 2183, 4153, 4366, 8306, 153661, 245027, 307322, 490054, 9065999, 18131998]

約数ペア:

[(1, 18131998), (2, 9065999), (37, 490054), (59, 307322), (74, 245027), (118, 153661), (2183, 8306), (4153, 4366)]