18868065

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7717}}^1$

素因数の和:7888

約数の個数: 16

約数和(自身を含む): 30378048

約数和(自身を除く): 11509983

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 7717, 23151, 38585, 115755, 1257871, 3773613, 6289355, 18868065]

約数ペア:

[(1, 18868065), (3, 6289355), (5, 3773613), (15, 1257871), (163, 115755), (489, 38585), (815, 23151), (2445, 7717)]