18604579

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2082

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 4205021

約数列:

[1, 7, 17, 79, 119, 553, 1343, 1979, 9401, 13853, 33643, 156341, 235501, 1094387, 2657797, 18604579]

約数ペア:

[(1, 18604579), (7, 2657797), (17, 1094387), (79, 235501), (119, 156341), (553, 33643), (1343, 13853), (1979, 9401)]