17985578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9743}}^1$

素因数の和:9829

約数の個数: 16

約数和(自身を含む): 29465856

約数和(自身を除く): 11480278

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 9743, 19486, 126659, 253318, 691753, 1383506, 8992789, 17985578]

約数ペア:

[(1, 17985578), (2, 8992789), (13, 1383506), (26, 691753), (71, 253318), (142, 126659), (923, 19486), (1846, 9743)]