18084951

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7699}}^1$

素因数の和:7740

約数の個数: 20

約数和(自身を含む): 27951000

約数和(自身を除く): 9866049

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7699, 23097, 69291, 207873, 223271, 623619, 669813, 2009439, 6028317, 18084951]

約数ペア:

[(1, 18084951), (3, 6028317), (9, 2009439), (27, 669813), (29, 623619), (81, 223271), (87, 207873), (261, 69291), (783, 23097), (2349, 7699)]