19112018

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{739}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 29286240

約数和(自身を除く): 10174222

約数列:

[1, 2, 67, 134, 193, 386, 739, 1478, 12931, 25862, 49513, 99026, 142627, 285254, 9556009, 19112018]

約数ペア:

[(1, 19112018), (2, 9556009), (67, 285254), (134, 142627), (193, 99026), (386, 49513), (739, 25862), (1478, 12931)]