18627309

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 29349216

約数和(自身を除く): 10721907

約数列:

[1, 3, 9, 23, 29, 69, 87, 107, 207, 261, 321, 667, 841, 963, 2001, 2461, 2523, 3103, 6003, 7383, 7569, 9309, 19343, 22149, 27927, 58029, 71369, 89987, 174087, 214107, 269961, 642321, 809883, 2069701, 6209103, 18627309]

約数ペア:

[(1, 18627309), (3, 6209103), (9, 2069701), (23, 809883), (29, 642321), (69, 269961), (87, 214107), (107, 174087), (207, 89987), (261, 71369), (321, 58029), (667, 27927), (841, 22149), (963, 19343), (2001, 9309), (2461, 7569), (2523, 7383), (3103, 6003)]