18618214

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:388

約数の個数: 24

約数和(自身を含む): 29873448

約数和(自身を除く): 11255234

約数列:

[1, 2, 19, 38, 107, 214, 241, 361, 482, 722, 2033, 4066, 4579, 9158, 25787, 38627, 51574, 77254, 87001, 174002, 489953, 979906, 9309107, 18618214]

約数ペア:

[(1, 18618214), (2, 9309107), (19, 979906), (38, 489953), (107, 174002), (214, 87001), (241, 77254), (361, 51574), (482, 38627), (722, 25787), (2033, 9158), (4066, 4579)]