27781648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{91387}}^1$

素因数の和:91414

約数の個数: 20

約数和(自身を含む): 56660560

約数和(自身を除く): 28878912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 91387, 182774, 365548, 731096, 1462192, 1736353, 3472706, 6945412, 13890824, 27781648]

約数ペア:

[(1, 27781648), (2, 13890824), (4, 6945412), (8, 3472706), (16, 1736353), (19, 1462192), (38, 731096), (76, 365548), (152, 182774), (304, 91387)]