16420864

素因数分解:

$2^{12}\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 52

約数和(自身を含む): 34729840

約数和(自身を除く): 18308976

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 211, 256, 304, 422, 512, 608, 844, 1024, 1216, 1688, 2048, 2432, 3376, 4009, 4096, 4864, 6752, 8018, 9728, 13504, 16036, 19456, 27008, 32072, 38912, 54016, 64144, 77824, 108032, 128288, 216064, 256576, 432128, 513152, 864256, 1026304, 2052608, 4105216, 8210432, 16420864]

約数ペア:

[(1, 16420864), (2, 8210432), (4, 4105216), (8, 2052608), (16, 1026304), (19, 864256), (32, 513152), (38, 432128), (64, 256576), (76, 216064), (128, 128288), (152, 108032), (211, 77824), (256, 64144), (304, 54016), (422, 38912), (512, 32072), (608, 27008), (844, 19456), (1024, 16036), (1216, 13504), (1688, 9728), (2048, 8018), (2432, 6752), (3376, 4864), (4009, 4096)]