18198351

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1129}}^1$

素因数の和:1340

約数の個数: 20

約数和(自身を含む): 27346000

約数和(自身を除く): 9147649

約数列:

[1, 3, 9, 27, 81, 199, 597, 1129, 1791, 3387, 5373, 10161, 16119, 30483, 91449, 224671, 674013, 2022039, 6066117, 18198351]

約数ペア:

[(1, 18198351), (3, 6066117), (9, 2022039), (27, 674013), (81, 224671), (199, 91449), (597, 30483), (1129, 16119), (1791, 10161), (3387, 5373)]