18161395

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 25837344

約数和(自身を除く): 7675949

約数列:

[1, 5, 7, 29, 35, 145, 203, 617, 841, 1015, 3085, 4205, 4319, 5887, 17893, 21595, 29435, 89465, 125251, 518897, 626255, 2594485, 3632279, 18161395]

約数ペア:

[(1, 18161395), (5, 3632279), (7, 2594485), (29, 626255), (35, 518897), (145, 125251), (203, 89465), (617, 29435), (841, 21595), (1015, 17893), (3085, 5887), (4205, 4319)]