20161819962

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{388789}}^1$

素因数の和:388907

約数の個数: 48

約数和(自身を含む): 45367127520

約数和(自身を除く): 25205307558

約数列:

[1, 2, 3, 6, 9, 18, 43, 67, 86, 129, 134, 201, 258, 387, 402, 603, 774, 1206, 2881, 5762, 8643, 17286, 25929, 51858, 388789, 777578, 1166367, 2332734, 3499101, 6998202, 16717927, 26048863, 33435854, 50153781, 52097726, 78146589, 100307562, 150461343, 156293178, 234439767, 300922686, 468879534, 1120101109, 2240202218, 3360303327, 6720606654, 10080909981, 20161819962]

約数ペア:

[(1, 20161819962), (2, 10080909981), (3, 6720606654), (6, 3360303327), (9, 2240202218), (18, 1120101109), (43, 468879534), (67, 300922686), (86, 234439767), (129, 156293178), (134, 150461343), (201, 100307562), (258, 78146589), (387, 52097726), (402, 50153781), (603, 33435854), (774, 26048863), (1206, 16717927), (2881, 6998202), (5762, 3499101), (8643, 2332734), (17286, 1166367), (25929, 777578), (51858, 388789)]