2018191707

素因数分解:

$3^4\times 7^1\times {\mathrm{3559421}}^1$

素因数の和:3559440

約数の個数: 20

約数和(自身を含む): 3445520496

約数和(自身を除く): 1427328789

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3559421, 10678263, 24915947, 32034789, 74747841, 96104367, 224243523, 288313101, 672730569, 2018191707]

約数ペア:

[(1, 2018191707), (3, 672730569), (7, 288313101), (9, 224243523), (21, 96104367), (27, 74747841), (63, 32034789), (81, 24915947), (189, 10678263), (567, 3559421)]