19191957265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1\times {\mathrm{2267}}^1$

素因数の和:3361

約数の個数: 32

約数和(自身を含む): 25018035840

約数和(自身を除く): 5826078575

約数列:

[1, 5, 13, 65, 139, 695, 937, 1807, 2267, 4685, 9035, 11335, 12181, 29471, 60905, 130243, 147355, 315113, 651215, 1575565, 1693159, 2124179, 4096469, 8465795, 10620895, 20482345, 27614327, 138071635, 295260881, 1476304405, 3838391453, 19191957265]

約数ペア:

[(1, 19191957265), (5, 3838391453), (13, 1476304405), (65, 295260881), (139, 138071635), (695, 27614327), (937, 20482345), (1807, 10620895), (2267, 8465795), (4685, 4096469), (9035, 2124179), (11335, 1693159), (12181, 1575565), (29471, 651215), (60905, 315113), (130243, 147355)]