19430144

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1156

約数の個数: 36

約数和(自身を含む): 39367440

約数和(自身を除く): 19937296

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 568, 1069, 1136, 2138, 2272, 4276, 4544, 8552, 9088, 17104, 18176, 34208, 68416, 75899, 136832, 151798, 273664, 303596, 607192, 1214384, 2428768, 4857536, 9715072, 19430144]

約数ペア:

[(1, 19430144), (2, 9715072), (4, 4857536), (8, 2428768), (16, 1214384), (32, 607192), (64, 303596), (71, 273664), (128, 151798), (142, 136832), (256, 75899), (284, 68416), (568, 34208), (1069, 18176), (1136, 17104), (2138, 9088), (2272, 8552), (4276, 4544)]