19292371

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 3387629

約数列:

[1, 7, 53, 149, 349, 371, 1043, 2443, 7897, 18497, 52001, 55279, 129479, 364007, 2756053, 19292371]

約数ペア:

[(1, 19292371), (7, 2756053), (53, 364007), (149, 129479), (349, 55279), (371, 52001), (1043, 18497), (2443, 7897)]