18587187

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 28667600

約数和(自身を除く): 10080413

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 1489, 4161, 4467, 12483, 13401, 28291, 84873, 108697, 254619, 326091, 978273, 2065243, 6195729, 18587187]

約数ペア:

[(1, 18587187), (3, 6195729), (9, 2065243), (19, 978273), (57, 326091), (73, 254619), (171, 108697), (219, 84873), (657, 28291), (1387, 13401), (1489, 12483), (4161, 4467)]