18730503

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 29751696

約数和(自身を除く): 11021193

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1381, 1507, 4143, 4521, 12429, 13563, 15191, 45573, 136719, 189197, 567591, 1702773, 2081167, 6243501, 18730503]

約数ペア:

[(1, 18730503), (3, 6243501), (9, 2081167), (11, 1702773), (33, 567591), (99, 189197), (137, 136719), (411, 45573), (1233, 15191), (1381, 13563), (1507, 12429), (4143, 4521)]