18538641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{941}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 29390400

約数和(自身を除く): 10851759

約数列:

[1, 3, 9, 11, 33, 99, 199, 597, 941, 1791, 2189, 2823, 6567, 8469, 10351, 19701, 31053, 93159, 187259, 561777, 1685331, 2059849, 6179547, 18538641]

約数ペア:

[(1, 18538641), (3, 6179547), (9, 2059849), (11, 1685331), (33, 561777), (99, 187259), (199, 93159), (597, 31053), (941, 19701), (1791, 10351), (2189, 8469), (2823, 6567)]