18388214

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{54403}}^1$

素因数の和:54431

約数の個数: 12

約数和(自身を含む): 29867796

約数和(自身を除く): 11479582

約数列:

[1, 2, 13, 26, 169, 338, 54403, 108806, 707239, 1414478, 9194107, 18388214]

約数ペア:

[(1, 18388214), (2, 9194107), (13, 1414478), (26, 707239), (169, 108806), (338, 54403)]