1821937940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5358641}}^1$

素因数の和:5358667

約数の個数: 24

約数和(自身を含む): 4051133352

約数和(自身を除く): 2229195412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5358641, 10717282, 21434564, 26793205, 53586410, 91096897, 107172820, 182193794, 364387588, 455484485, 910968970, 1821937940]

約数ペア:

[(1, 1821937940), (2, 910968970), (4, 455484485), (5, 364387588), (10, 182193794), (17, 107172820), (20, 91096897), (34, 53586410), (68, 26793205), (85, 21434564), (170, 10717282), (340, 5358641)]