19005194871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1\times {\mathrm{2591}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 30025562112

約数和(自身を除く): 11020367241

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 883, 923, 2591, 2649, 2769, 7773, 7947, 8307, 11479, 23319, 33683, 34437, 62693, 101049, 103311, 183961, 188079, 303147, 551883, 564237, 815009, 1655649, 2287853, 2391493, 2445027, 6863559, 7174479, 7335081, 20590677, 21523437, 29742089, 89226267, 162437563, 267678801, 487312689, 1461938067, 2111688319, 6335064957, 19005194871]

約数ペア:

[(1, 19005194871), (3, 6335064957), (9, 2111688319), (13, 1461938067), (39, 487312689), (71, 267678801), (117, 162437563), (213, 89226267), (639, 29742089), (883, 21523437), (923, 20590677), (2591, 7335081), (2649, 7174479), (2769, 6863559), (7773, 2445027), (7947, 2391493), (8307, 2287853), (11479, 1655649), (23319, 815009), (33683, 564237), (34437, 551883), (62693, 303147), (101049, 188079), (103311, 183961)]