19929518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74923}}^1$

素因数の和:74951

約数の個数: 16

約数和(自身を含む): 35963520

約数和(自身を除く): 16034002

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74923, 149846, 524461, 1048922, 1423537, 2847074, 9964759, 19929518]

約数ペア:

[(1, 19929518), (2, 9964759), (7, 2847074), (14, 1423537), (19, 1048922), (38, 524461), (133, 149846), (266, 74923)]