16820555418

素因数分解:

$2^1\times 3^4\times {\mathrm{14447}}^1\times {\mathrm{7187}}^1$

素因数の和:21648

約数の個数: 40

約数和(自身を含む): 37698357312

約数和(自身を除く): 20877801894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 7187, 14374, 14447, 21561, 28894, 43122, 43341, 64683, 86682, 129366, 130023, 194049, 260046, 388098, 390069, 582147, 780138, 1164294, 1170207, 2340414, 103830589, 207661178, 311491767, 622983534, 934475301, 1868950602, 2803425903, 5606851806, 8410277709, 16820555418]

約数ペア:

[(1, 16820555418), (2, 8410277709), (3, 5606851806), (6, 2803425903), (9, 1868950602), (18, 934475301), (27, 622983534), (54, 311491767), (81, 207661178), (162, 103830589), (7187, 2340414), (14374, 1170207), (14447, 1164294), (21561, 780138), (28894, 582147), (43122, 390069), (43341, 388098), (64683, 260046), (86682, 194049), (129366, 130023)]