18172749

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1171}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 27752960

約数和(自身を除く): 9580211

約数列:

[1, 3, 7, 21, 739, 1171, 2217, 3513, 5173, 8197, 15519, 24591, 865369, 2596107, 6057583, 18172749]

約数ペア:

[(1, 18172749), (3, 6057583), (7, 2596107), (21, 865369), (739, 24591), (1171, 15519), (2217, 8197), (3513, 5173)]