19387593

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6469}}^1$

素因数の和:6518

約数の個数: 20

約数和(自身を含む): 29749060

約数和(自身を除く): 10361467

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6469, 19407, 58221, 174663, 239353, 523989, 718059, 2154177, 6462531, 19387593]

約数ペア:

[(1, 19387593), (3, 6462531), (9, 2154177), (27, 718059), (37, 523989), (81, 239353), (111, 174663), (333, 58221), (999, 19407), (2997, 6469)]