20180858876

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{1321}}^1\times {\mathrm{19387}}^1$

素因数の和:20909

約数の個数: 24

約数和(自身を含む): 35524477296

約数和(自身を除く): 15343618420

約数列:

[1, 2, 4, 197, 394, 788, 1321, 2642, 5284, 19387, 38774, 77548, 260237, 520474, 1040948, 3819239, 7638478, 15276956, 25610227, 51220454, 102440908, 5045214719, 10090429438, 20180858876]

約数ペア:

[(1, 20180858876), (2, 10090429438), (4, 5045214719), (197, 102440908), (394, 51220454), (788, 25610227), (1321, 15276956), (2642, 7638478), (5284, 3819239), (19387, 1040948), (38774, 520474), (77548, 260237)]