19456767

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 13565313

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 243, 251, 261, 297, 319, 753, 783, 891, 957, 2259, 2349, 2673, 2761, 2871, 6777, 7047, 7279, 8283, 8613, 20331, 21837, 24849, 25839, 60993, 65511, 74547, 77517, 80069, 196533, 223641, 240207, 589599, 670923, 720621, 1768797, 2161863, 6485589, 19456767]

約数ペア:

[(1, 19456767), (3, 6485589), (9, 2161863), (11, 1768797), (27, 720621), (29, 670923), (33, 589599), (81, 240207), (87, 223641), (99, 196533), (243, 80069), (251, 77517), (261, 74547), (297, 65511), (319, 60993), (753, 25839), (783, 24849), (891, 21837), (957, 20331), (2259, 8613), (2349, 8283), (2673, 7279), (2761, 7047), (2871, 6777)]