18816413

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5683}}^1$

素因数の和:5744

約数の個数: 16

約数和(自身を含む): 24009216

約数和(自身を除く): 5192803

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 5683, 39781, 62513, 244369, 437591, 1710583, 2688059, 18816413]

約数ペア:

[(1, 18816413), (7, 2688059), (11, 1710583), (43, 437591), (77, 244369), (301, 62513), (473, 39781), (3311, 5683)]