18867501

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 29113344

約数和(自身を除く): 10245843

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 971, 1143, 2159, 2913, 6477, 8739, 16507, 19431, 49521, 123317, 148563, 369951, 1109853, 2096389, 6289167, 18867501]

約数ペア:

[(1, 18867501), (3, 6289167), (9, 2096389), (17, 1109853), (51, 369951), (127, 148563), (153, 123317), (381, 49521), (971, 19431), (1143, 16507), (2159, 8739), (2913, 6477)]