18017155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2543}}^1$

素因数の和:2670

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 5489405

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2543, 7085, 12715, 33059, 165295, 277187, 1385935, 3603431, 18017155]

約数ペア:

[(1, 18017155), (5, 3603431), (13, 1385935), (65, 277187), (109, 165295), (545, 33059), (1417, 12715), (2543, 7085)]