18050494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 18813506

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 133, 154, 199, 209, 217, 266, 341, 398, 418, 434, 589, 682, 1178, 1393, 1463, 2189, 2387, 2786, 2926, 3781, 4123, 4378, 4774, 6169, 6479, 7562, 8246, 12338, 12958, 15323, 26467, 30646, 41591, 43183, 45353, 52934, 67859, 83182, 86366, 90706, 117211, 135718, 234422, 291137, 475013, 582274, 820477, 950026, 1289321, 1640954, 2578642, 9025247, 18050494]

約数ペア:

[(1, 18050494), (2, 9025247), (7, 2578642), (11, 1640954), (14, 1289321), (19, 950026), (22, 820477), (31, 582274), (38, 475013), (62, 291137), (77, 234422), (133, 135718), (154, 117211), (199, 90706), (209, 86366), (217, 83182), (266, 67859), (341, 52934), (398, 45353), (418, 43183), (434, 41591), (589, 30646), (682, 26467), (1178, 15323), (1393, 12958), (1463, 12338), (2189, 8246), (2387, 7562), (2786, 6479), (2926, 6169), (3781, 4774), (4123, 4378)]