18247919

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 20186208

約数和(自身を除く): 1938289

約数列:

[1, 17, 37, 67, 433, 629, 1139, 2479, 7361, 16021, 29011, 42143, 272357, 493187, 1073407, 18247919]

約数ペア:

[(1, 18247919), (17, 1073407), (37, 493187), (67, 272357), (433, 42143), (629, 29011), (1139, 16021), (2479, 7361)]