18466816

素因数分解:

$2^{11}\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 19272704

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 127, 128, 142, 254, 256, 284, 508, 512, 568, 1016, 1024, 1136, 2032, 2048, 2272, 4064, 4544, 8128, 9017, 9088, 16256, 18034, 18176, 32512, 36068, 36352, 65024, 72136, 72704, 130048, 144272, 145408, 260096, 288544, 577088, 1154176, 2308352, 4616704, 9233408, 18466816]

約数ペア:

[(1, 18466816), (2, 9233408), (4, 4616704), (8, 2308352), (16, 1154176), (32, 577088), (64, 288544), (71, 260096), (127, 145408), (128, 144272), (142, 130048), (254, 72704), (256, 72136), (284, 65024), (508, 36352), (512, 36068), (568, 32512), (1016, 18176), (1024, 18034), (1136, 16256), (2032, 9088), (2048, 9017), (2272, 8128), (4064, 4544)]