18834219

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 27936480

約数和(自身を除く): 9102261

約数列:

[1, 3, 9, 73, 109, 219, 263, 327, 657, 789, 981, 2367, 7957, 19199, 23871, 28667, 57597, 71613, 86001, 172791, 258003, 2092691, 6278073, 18834219]

約数ペア:

[(1, 18834219), (3, 6278073), (9, 2092691), (73, 258003), (109, 172791), (219, 86001), (263, 71613), (327, 57597), (657, 28667), (789, 23871), (981, 19199), (2367, 7957)]