18231317

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 21342720

約数和(自身を除く): 3111403

約数列:

[1, 13, 19, 31, 247, 403, 589, 2381, 7657, 30953, 45239, 73811, 588107, 959543, 1402409, 18231317]

約数ペア:

[(1, 18231317), (13, 1402409), (19, 959543), (31, 588107), (247, 73811), (403, 45239), (589, 30953), (2381, 7657)]