18820665

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5039}}^1$

素因数の和:5133

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 14201415

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5039, 15117, 25195, 45351, 75585, 226755, 418237, 1254711, 2091185, 3764133, 6273555, 18820665]

約数ペア:

[(1, 18820665), (3, 6273555), (5, 3764133), (9, 2091185), (15, 1254711), (45, 418237), (83, 226755), (249, 75585), (415, 45351), (747, 25195), (1245, 15117), (3735, 5039)]