18480753

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 28259712

約数和(自身を除く): 9778959

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1223, 1679, 3669, 5037, 11007, 15111, 28129, 84387, 89279, 253161, 267837, 803511, 2053417, 6160251, 18480753]

約数ペア:

[(1, 18480753), (3, 6160251), (9, 2053417), (23, 803511), (69, 267837), (73, 253161), (207, 89279), (219, 84387), (657, 28129), (1223, 15111), (1679, 11007), (3669, 5037)]