2019229191

素因数分解:

$3^2\times 7^2\times {\mathrm{4578751}}^1$

素因数の和:4578771

約数の個数: 18

約数和(自身を含む): 3392855232

約数和(自身を除く): 1373626041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4578751, 13736253, 32051257, 41208759, 96153771, 224358799, 288461313, 673076397, 2019229191]

約数ペア:

[(1, 2019229191), (3, 673076397), (7, 288461313), (9, 224358799), (21, 96153771), (49, 41208759), (63, 32051257), (147, 13736253), (441, 4578751)]