18993249

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 30624048

約数和(自身を除く): 11630799

約数列:

[1, 3, 9, 11, 33, 99, 107, 121, 163, 321, 363, 489, 963, 1089, 1177, 1467, 1793, 3531, 5379, 10593, 12947, 16137, 17441, 19723, 38841, 52323, 59169, 116523, 156969, 177507, 191851, 575553, 1726659, 2110361, 6331083, 18993249]

約数ペア:

[(1, 18993249), (3, 6331083), (9, 2110361), (11, 1726659), (33, 575553), (99, 191851), (107, 177507), (121, 156969), (163, 116523), (321, 59169), (363, 52323), (489, 38841), (963, 19723), (1089, 17441), (1177, 16137), (1467, 12947), (1793, 10593), (3531, 5379)]