18066923

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 21305856

約数和(自身を除く): 3238933

約数列:

[1, 7, 43, 193, 301, 311, 1351, 2177, 8299, 13373, 58093, 60023, 93611, 420161, 2580989, 18066923]

約数ペア:

[(1, 18066923), (7, 2580989), (43, 420161), (193, 93611), (301, 60023), (311, 58093), (1351, 13373), (2177, 8299)]