19391666

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72901}}^1$

素因数の和:72929

約数の個数: 16

約数和(自身を含む): 34992960

約数和(自身を除く): 15601294

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72901, 145802, 510307, 1020614, 1385119, 2770238, 9695833, 19391666]

約数ペア:

[(1, 19391666), (2, 9695833), (7, 2770238), (14, 1385119), (19, 1020614), (38, 510307), (133, 145802), (266, 72901)]