19712768

素因数分解:

$2^8\times {\mathrm{77003}}^1$

素因数の和:77019

約数の個数: 18

約数和(自身を含む): 39349044

約数和(自身を除く): 19636276

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77003, 154006, 308012, 616024, 1232048, 2464096, 4928192, 9856384, 19712768]

約数ペア:

[(1, 19712768), (2, 9856384), (4, 4928192), (8, 2464096), (16, 1232048), (32, 616024), (64, 308012), (128, 154006), (256, 77003)]