19885495

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10527305

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1759, 2261, 8795, 11305, 12313, 29903, 33421, 61565, 149515, 167105, 209321, 233947, 568157, 1046605, 1169735, 2840785, 3977099, 19885495]

約数ペア:

[(1, 19885495), (5, 3977099), (7, 2840785), (17, 1169735), (19, 1046605), (35, 568157), (85, 233947), (95, 209321), (119, 167105), (133, 149515), (323, 61565), (595, 33421), (665, 29903), (1615, 12313), (1759, 11305), (2261, 8795)]