19168083

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 12910509

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 101, 213, 243, 297, 303, 639, 781, 891, 909, 1111, 1917, 2343, 2673, 2727, 3333, 5751, 7029, 7171, 8181, 9999, 17253, 21087, 21513, 24543, 29997, 63261, 64539, 78881, 89991, 189783, 193617, 236643, 269973, 580851, 709929, 1742553, 2129787, 6389361, 19168083]

約数ペア:

[(1, 19168083), (3, 6389361), (9, 2129787), (11, 1742553), (27, 709929), (33, 580851), (71, 269973), (81, 236643), (99, 193617), (101, 189783), (213, 89991), (243, 78881), (297, 64539), (303, 63261), (639, 29997), (781, 24543), (891, 21513), (909, 21087), (1111, 17253), (1917, 9999), (2343, 8181), (2673, 7171), (2727, 7029), (3333, 5751)]