17993969

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 21790080

約数和(自身を除く): 3796111

約数列:

[1, 7, 19, 133, 193, 701, 1351, 3667, 4907, 13319, 25669, 93233, 135293, 947051, 2570567, 17993969]

約数ペア:

[(1, 17993969), (7, 2570567), (19, 947051), (133, 135293), (193, 93233), (701, 25669), (1351, 13319), (3667, 4907)]