19512857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6917}}^1$

素因数の和:6968

約数の個数: 16

約数和(自身を含む): 24794112

約数和(自身を除く): 5281255

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6917, 48419, 89921, 214427, 629447, 1500989, 2787551, 19512857]

約数ペア:

[(1, 19512857), (7, 2787551), (13, 1500989), (31, 629447), (91, 214427), (217, 89921), (403, 48419), (2821, 6917)]