2018990169

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{42787}}^1$

素因数の和:42914

約数の個数: 36

約数和(自身を含む): 3424238064

約数和(自身を除く): 1405247895

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 2247, 5243, 6741, 15729, 42787, 47187, 128361, 299509, 385083, 898527, 2096563, 2695581, 4578209, 6289689, 13734627, 18869067, 32047463, 41203881, 96142389, 224332241, 288427167, 672996723, 2018990169]

約数ペア:

[(1, 2018990169), (3, 672996723), (7, 288427167), (9, 224332241), (21, 96142389), (49, 41203881), (63, 32047463), (107, 18869067), (147, 13734627), (321, 6289689), (441, 4578209), (749, 2695581), (963, 2096563), (2247, 898527), (5243, 385083), (6741, 299509), (15729, 128361), (42787, 47187)]