19809969687

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{673}}^1\times {\mathrm{4177}}^1$

素因数の和:4894

約数の個数: 48

約数和(自身を含む): 30750414240

約数和(自身を除く): 10940444553

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 673, 783, 2019, 2349, 4177, 6057, 7047, 12531, 18171, 19517, 37593, 54513, 58551, 112779, 121133, 163539, 175653, 338337, 363399, 526959, 1015011, 1090197, 1580877, 2811121, 3270591, 4742631, 8433363, 9811773, 25300089, 29435319, 75900267, 81522509, 227700801, 244567527, 683102403, 733702581, 2201107743, 6603323229, 19809969687]

約数ペア:

[(1, 19809969687), (3, 6603323229), (9, 2201107743), (27, 733702581), (29, 683102403), (81, 244567527), (87, 227700801), (243, 81522509), (261, 75900267), (673, 29435319), (783, 25300089), (2019, 9811773), (2349, 8433363), (4177, 4742631), (6057, 3270591), (7047, 2811121), (12531, 1580877), (18171, 1090197), (19517, 1015011), (37593, 526959), (54513, 363399), (58551, 338337), (112779, 175653), (121133, 163539)]