18187161

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 27226080

約数和(自身を除く): 9038919

約数列:

[1, 3, 17, 19, 51, 57, 137, 323, 411, 969, 2329, 2603, 6987, 7809, 18769, 44251, 56307, 132753, 319073, 356611, 957219, 1069833, 6062387, 18187161]

約数ペア:

[(1, 18187161), (3, 6062387), (17, 1069833), (19, 957219), (51, 356611), (57, 319073), (137, 132753), (323, 56307), (411, 44251), (969, 18769), (2329, 7809), (2603, 6987)]