19798287543

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{1181}}^1\times {\mathrm{3089}}^1$

素因数の和:4349

約数の個数: 40

約数和(自身を含む): 30051782640

約数和(自身を除く): 10253495097

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1181, 1809, 3089, 3543, 5427, 9267, 10629, 27801, 31887, 79127, 83403, 95661, 206963, 237381, 250209, 620889, 712143, 1862667, 2136429, 3648109, 5588001, 6409287, 10944327, 16764003, 32832981, 98498943, 244423303, 295496829, 733269909, 2199809727, 6599429181, 19798287543]

約数ペア:

[(1, 19798287543), (3, 6599429181), (9, 2199809727), (27, 733269909), (67, 295496829), (81, 244423303), (201, 98498943), (603, 32832981), (1181, 16764003), (1809, 10944327), (3089, 6409287), (3543, 5588001), (5427, 3648109), (9267, 2136429), (10629, 1862667), (27801, 712143), (31887, 620889), (79127, 250209), (83403, 237381), (95661, 206963)]