18901127

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5477}}^1$

素因数の和:5530

約数の個数: 16

約数和(自身を含む): 23664960

約数和(自身を除く): 4763833

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 5477, 38339, 93109, 158833, 651763, 1111831, 2700161, 18901127]

約数ペア:

[(1, 18901127), (7, 2700161), (17, 1111831), (29, 651763), (119, 158833), (203, 93109), (493, 38339), (3451, 5477)]