19838903

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 4007497

約数列:

[1, 7, 23, 149, 161, 827, 1043, 3427, 5789, 19021, 23989, 123223, 133147, 862561, 2834129, 19838903]

約数ペア:

[(1, 19838903), (7, 2834129), (23, 862561), (149, 133147), (161, 123223), (827, 23989), (1043, 19021), (3427, 5789)]