197269780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{519131}}^1$

素因数の和:519159

約数の個数: 24

約数和(自身を含む): 436070880

約数和(自身を除く): 238801100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 519131, 1038262, 2076524, 2595655, 5191310, 9863489, 10382620, 19726978, 39453956, 49317445, 98634890, 197269780]

約数ペア:

[(1, 197269780), (2, 98634890), (4, 49317445), (5, 39453956), (10, 19726978), (19, 10382620), (20, 9863489), (38, 5191310), (76, 2595655), (95, 2076524), (190, 1038262), (380, 519131)]