18557809

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 12

約数和(自身を含む): 19644928

約数和(自身を除く): 1087119

約数列:

[1, 31, 47, 271, 1457, 2209, 8401, 12737, 68479, 394847, 598639, 18557809]

約数ペア:

[(1, 18557809), (31, 598639), (47, 394847), (271, 68479), (1457, 12737), (2209, 8401)]