18663177

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 27247968

約数和(自身を除く): 8584791

約数列:

[1, 3, 13, 39, 131, 169, 281, 393, 507, 843, 1703, 3653, 5109, 10959, 22139, 36811, 47489, 66417, 110433, 142467, 478543, 1435629, 6221059, 18663177]

約数ペア:

[(1, 18663177), (3, 6221059), (13, 1435629), (39, 478543), (131, 142467), (169, 110433), (281, 66417), (393, 47489), (507, 36811), (843, 22139), (1703, 10959), (3653, 5109)]