19639168

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 39694320

約数和(自身を除く): 20055152

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2161, 2272, 4322, 4544, 8644, 9088, 17288, 34576, 69152, 138304, 153431, 276608, 306862, 613724, 1227448, 2454896, 4909792, 9819584, 19639168]

約数ペア:

[(1, 19639168), (2, 9819584), (4, 4909792), (8, 2454896), (16, 1227448), (32, 613724), (64, 306862), (71, 276608), (128, 153431), (142, 138304), (284, 69152), (568, 34576), (1136, 17288), (2161, 9088), (2272, 8644), (4322, 4544)]