18089155

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 25960032

約数和(自身を除く): 7870877

約数列:

[1, 5, 7, 23, 35, 115, 161, 529, 805, 977, 2645, 3703, 4885, 6839, 18515, 22471, 34195, 112355, 157297, 516833, 786485, 2584165, 3617831, 18089155]

約数ペア:

[(1, 18089155), (5, 3617831), (7, 2584165), (23, 786485), (35, 516833), (115, 157297), (161, 112355), (529, 34195), (805, 22471), (977, 18515), (2645, 6839), (3703, 4885)]