18855507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12157}}^1$

素因数の和:12218

約数の個数: 16

約数和(自身を含む): 28012032

約数和(自身を除く): 9156525

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12157, 36471, 133727, 401181, 571379, 1714137, 6285169, 18855507]

約数ペア:

[(1, 18855507), (3, 6285169), (11, 1714137), (33, 571379), (47, 401181), (141, 133727), (517, 36471), (1551, 12157)]