18016817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5351}}^1$

素因数の和:5408

約数の個数: 16

約数和(自身を含む): 22778112

約数和(自身を除く): 4761295

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5351, 37457, 69563, 197987, 486941, 1385909, 2573831, 18016817]

約数ペア:

[(1, 18016817), (7, 2573831), (13, 1385909), (37, 486941), (91, 197987), (259, 69563), (481, 37457), (3367, 5351)]