17991706

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1809

約数の個数: 16

約数和(自身を含む): 27754920

約数和(自身を除く): 9763214

約数列:

[1, 2, 61, 89, 122, 178, 1657, 3314, 5429, 10858, 101077, 147473, 202154, 294946, 8995853, 17991706]

約数ペア:

[(1, 17991706), (2, 8995853), (61, 294946), (89, 202154), (122, 147473), (178, 101077), (1657, 10858), (3314, 5429)]