18846460

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1097}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 39659760

約数和(自身を除く): 20813300

約数列:

[1, 2, 4, 5, 10, 20, 859, 1097, 1718, 2194, 3436, 4295, 4388, 5485, 8590, 10970, 17180, 21940, 942323, 1884646, 3769292, 4711615, 9423230, 18846460]

約数ペア:

[(1, 18846460), (2, 9423230), (4, 4711615), (5, 3769292), (10, 1884646), (20, 942323), (859, 21940), (1097, 17180), (1718, 10970), (2194, 8590), (3436, 5485), (4295, 4388)]