18208477

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 21535360

約数和(自身を除く): 3326883

約数列:

[1, 7, 37, 229, 259, 307, 1603, 2149, 8473, 11359, 59311, 70303, 79513, 492121, 2601211, 18208477]

約数ペア:

[(1, 18208477), (7, 2601211), (37, 492121), (229, 79513), (259, 70303), (307, 59311), (1603, 11359), (2149, 8473)]