18018189

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2531}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 30019392

約数和(自身を除く): 12001203

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2531, 7119, 7593, 17717, 22779, 53151, 159453, 286003, 858009, 2002021, 2574027, 6006063, 18018189]

約数ペア:

[(1, 18018189), (3, 6006063), (7, 2574027), (9, 2002021), (21, 858009), (63, 286003), (113, 159453), (339, 53151), (791, 22779), (1017, 17717), (2373, 7593), (2531, 7119)]