19121152

素因数分解:

$2^{10}\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 44

約数和(自身を含む): 38909376

約数和(自身を除く): 19788224

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 263, 284, 512, 526, 568, 1024, 1052, 1136, 2104, 2272, 4208, 4544, 8416, 9088, 16832, 18176, 18673, 33664, 36352, 37346, 67328, 72704, 74692, 134656, 149384, 269312, 298768, 597536, 1195072, 2390144, 4780288, 9560576, 19121152]

約数ペア:

[(1, 19121152), (2, 9560576), (4, 4780288), (8, 2390144), (16, 1195072), (32, 597536), (64, 298768), (71, 269312), (128, 149384), (142, 134656), (256, 74692), (263, 72704), (284, 67328), (512, 37346), (526, 36352), (568, 33664), (1024, 18673), (1052, 18176), (1136, 16832), (2104, 9088), (2272, 8416), (4208, 4544)]