18734319

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 28220400

約数和(自身を除く): 9486081

約数列:

[1, 3, 9, 29, 87, 179, 261, 401, 537, 1203, 1611, 3609, 5191, 11629, 15573, 34887, 46719, 71779, 104661, 215337, 646011, 2081591, 6244773, 18734319]

約数ペア:

[(1, 18734319), (3, 6244773), (9, 2081591), (29, 646011), (87, 215337), (179, 104661), (261, 71779), (401, 46719), (537, 34887), (1203, 15573), (1611, 11629), (3609, 5191)]