19686208

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4591}}^1$

素因数の和:4670

約数の個数: 28

約数和(自身を含む): 39656512

約数和(自身を除く): 19970304

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4591, 9182, 18364, 36728, 73456, 146912, 293824, 307597, 615194, 1230388, 2460776, 4921552, 9843104, 19686208]

約数ペア:

[(1, 19686208), (2, 9843104), (4, 4921552), (8, 2460776), (16, 1230388), (32, 615194), (64, 307597), (67, 293824), (134, 146912), (268, 73456), (536, 36728), (1072, 18364), (2144, 9182), (4288, 4591)]