18365841

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 28945280

約数和(自身を除く): 10579439

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 1987, 3081, 5961, 9243, 17883, 25831, 77493, 156973, 232479, 470919, 1412757, 2040649, 6121947, 18365841]

約数ペア:

[(1, 18365841), (3, 6121947), (9, 2040649), (13, 1412757), (39, 470919), (79, 232479), (117, 156973), (237, 77493), (711, 25831), (1027, 17883), (1987, 9243), (3081, 5961)]