18837791

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 22602240

約数和(自身を除く): 3764449

約数列:

[1, 7, 29, 71, 203, 497, 1307, 2059, 9149, 14413, 37903, 92797, 265321, 649579, 2691113, 18837791]

約数ペア:

[(1, 18837791), (7, 2691113), (29, 649579), (71, 265321), (203, 92797), (497, 37903), (1307, 14413), (2059, 9149)]