17889728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 56

約数和(自身を含む): 37453824

約数和(自身を除く): 19564096

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 127, 142, 248, 254, 284, 496, 508, 568, 992, 1016, 1136, 1984, 2032, 2201, 2272, 3937, 4064, 4402, 4544, 7874, 8128, 8804, 9017, 15748, 17608, 18034, 31496, 35216, 36068, 62992, 70432, 72136, 125984, 140864, 144272, 251968, 279527, 288544, 559054, 577088, 1118108, 2236216, 4472432, 8944864, 17889728]

約数ペア:

[(1, 17889728), (2, 8944864), (4, 4472432), (8, 2236216), (16, 1118108), (31, 577088), (32, 559054), (62, 288544), (64, 279527), (71, 251968), (124, 144272), (127, 140864), (142, 125984), (248, 72136), (254, 70432), (284, 62992), (496, 36068), (508, 35216), (568, 31496), (992, 18034), (1016, 17608), (1136, 15748), (1984, 9017), (2032, 8804), (2201, 8128), (2272, 7874), (3937, 4544), (4064, 4402)]