18948976

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3413}}^1$

素因数の和:3768

約数の個数: 20

約数和(自身を含む): 36830232

約数和(自身を除く): 17881256

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3413, 5552, 6826, 13652, 27304, 54608, 1184311, 2368622, 4737244, 9474488, 18948976]

約数ペア:

[(1, 18948976), (2, 9474488), (4, 4737244), (8, 2368622), (16, 1184311), (347, 54608), (694, 27304), (1388, 13652), (2776, 6826), (3413, 5552)]