18786742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10177}}^1$

素因数の和:10263

約数の個数: 16

約数和(自身を含む): 30778272

約数和(自身を除く): 11991530

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10177, 20354, 132301, 264602, 722567, 1445134, 9393371, 18786742]

約数ペア:

[(1, 18786742), (2, 9393371), (13, 1445134), (26, 722567), (71, 264602), (142, 132301), (923, 20354), (1846, 10177)]