2019905951

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{42743}}^1$

素因数の和:42950

約数の個数: 16

約数和(自身を含む): 2377250304

約数和(自身を除く): 357344353

約数列:

[1, 7, 43, 157, 301, 1099, 6751, 42743, 47257, 299201, 1837949, 6710651, 12865643, 46974557, 288557993, 2019905951]

約数ペア:

[(1, 2019905951), (7, 288557993), (43, 46974557), (157, 12865643), (301, 6710651), (1099, 1837949), (6751, 299201), (42743, 47257)]