19994828139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{21023}}^1$

素因数の和:21792

約数の個数: 48

約数和(自身を含む): 33978147840

約数和(自身を除く): 13983319701

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 739, 1287, 2217, 6651, 8129, 9607, 21023, 24387, 28821, 63069, 73161, 86463, 105677, 189207, 231253, 273299, 317031, 693759, 819897, 951093, 2081277, 2459691, 3006289, 9018867, 15535997, 27056601, 46607991, 139823973, 170895967, 201967961, 512687901, 605903883, 1538063703, 1817711649, 2221647571, 6664942713, 19994828139]

約数ペア:

[(1, 19994828139), (3, 6664942713), (9, 2221647571), (11, 1817711649), (13, 1538063703), (33, 605903883), (39, 512687901), (99, 201967961), (117, 170895967), (143, 139823973), (429, 46607991), (739, 27056601), (1287, 15535997), (2217, 9018867), (6651, 3006289), (8129, 2459691), (9607, 2081277), (21023, 951093), (24387, 819897), (28821, 693759), (63069, 317031), (73161, 273299), (86463, 231253), (105677, 189207)]