18220286

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{13417}}^1$

素因数の和:13523

約数の個数: 16

約数和(自身を含む): 31559136

約数和(自身を除く): 13338850

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 13417, 26834, 93919, 187838, 1301449, 2602898, 9110143, 18220286]

約数ペア:

[(1, 18220286), (2, 9110143), (7, 2602898), (14, 1301449), (97, 187838), (194, 93919), (679, 26834), (1358, 13417)]