19198079999

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{80833}}^1$

素因数の和:81015

約数の個数: 24

約数和(自身を含む): 23111410608

約数和(自身を除く): 3913330609

約数列:

[1, 7, 37, 49, 131, 259, 917, 1813, 4847, 6419, 33929, 80833, 237503, 565831, 2990821, 3960817, 10589123, 20935747, 74123861, 146550229, 391797551, 518867027, 2742582857, 19198079999]

約数ペア:

[(1, 19198079999), (7, 2742582857), (37, 518867027), (49, 391797551), (131, 146550229), (259, 74123861), (917, 20935747), (1813, 10589123), (4847, 3960817), (6419, 2990821), (33929, 565831), (80833, 237503)]