27779824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{91381}}^1$

素因数の和:91408

約数の個数: 20

約数和(自身を含む): 56656840

約数和(自身を除く): 28877016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 91381, 182762, 365524, 731048, 1462096, 1736239, 3472478, 6944956, 13889912, 27779824]

約数ペア:

[(1, 27779824), (2, 13889912), (4, 6944956), (8, 3472478), (16, 1736239), (19, 1462096), (38, 731048), (76, 365524), (152, 182762), (304, 91381)]