18744208

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^2\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 60

約数和(自身を含む): 43201600

約数和(自身を除く): 24457392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 199, 203, 232, 398, 406, 464, 796, 812, 841, 1393, 1592, 1624, 1682, 2786, 3184, 3248, 3364, 5572, 5771, 5887, 6728, 11144, 11542, 11774, 13456, 22288, 23084, 23548, 40397, 46168, 47096, 80794, 92336, 94192, 161588, 167359, 323176, 334718, 646352, 669436, 1171513, 1338872, 2343026, 2677744, 4686052, 9372104, 18744208]

約数ペア:

[(1, 18744208), (2, 9372104), (4, 4686052), (7, 2677744), (8, 2343026), (14, 1338872), (16, 1171513), (28, 669436), (29, 646352), (56, 334718), (58, 323176), (112, 167359), (116, 161588), (199, 94192), (203, 92336), (232, 80794), (398, 47096), (406, 46168), (464, 40397), (796, 23548), (812, 23084), (841, 22288), (1393, 13456), (1592, 11774), (1624, 11542), (1682, 11144), (2786, 6728), (3184, 5887), (3248, 5771), (3364, 5572)]