19408949

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{9661}}^1$

素因数の和:9716

約数の個数: 12

約数和(自身を含む): 23130828

約数和(自身を除く): 3721879

約数列:

[1, 7, 41, 49, 287, 2009, 9661, 67627, 396101, 473389, 2772707, 19408949]

約数ペア:

[(1, 19408949), (7, 2772707), (41, 473389), (49, 396101), (287, 67627), (2009, 9661)]