19829691

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 34720224

約数和(自身を除く): 14890533

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 853, 861, 1107, 2559, 2583, 3321, 5971, 7677, 7749, 17913, 23031, 23247, 34973, 53739, 69093, 104919, 161217, 244811, 314757, 483651, 734433, 944271, 2203299, 2832813, 6609897, 19829691]

約数ペア:

[(1, 19829691), (3, 6609897), (7, 2832813), (9, 2203299), (21, 944271), (27, 734433), (41, 483651), (63, 314757), (81, 244811), (123, 161217), (189, 104919), (287, 69093), (369, 53739), (567, 34973), (853, 23247), (861, 23031), (1107, 17913), (2559, 7749), (2583, 7677), (3321, 5971)]