18281627

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2543}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 22794240

約数和(自身を除く): 4512613

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2543, 7189, 17801, 33059, 200897, 231413, 1406279, 2611661, 18281627]

約数ペア:

[(1, 18281627), (7, 2611661), (13, 1406279), (79, 231413), (91, 200897), (553, 33059), (1027, 17801), (2543, 7189)]