19887689595

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1\times {\mathrm{881}}^1$

素因数の和:1780

約数の個数: 64

約数和(自身を含む): 33902668800

約数和(自身を除く): 14014979205

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 769, 881, 1545, 1957, 2307, 2643, 3845, 4405, 5871, 9785, 11535, 13215, 14611, 16739, 29355, 43833, 50217, 73055, 79207, 83695, 90743, 219165, 237621, 251085, 272229, 396035, 453715, 677489, 1188105, 1361145, 1504933, 1724117, 2032467, 3387445, 4514799, 5172351, 7524665, 8620585, 10162335, 12872291, 22573995, 25861755, 38616873, 64361455, 69781367, 193084365, 209344101, 348906835, 1046720505, 1325845973, 3977537919, 6629229865, 19887689595]

約数ペア:

[(1, 19887689595), (3, 6629229865), (5, 3977537919), (15, 1325845973), (19, 1046720505), (57, 348906835), (95, 209344101), (103, 193084365), (285, 69781367), (309, 64361455), (515, 38616873), (769, 25861755), (881, 22573995), (1545, 12872291), (1957, 10162335), (2307, 8620585), (2643, 7524665), (3845, 5172351), (4405, 4514799), (5871, 3387445), (9785, 2032467), (11535, 1724117), (13215, 1504933), (14611, 1361145), (16739, 1188105), (29355, 677489), (43833, 453715), (50217, 396035), (73055, 272229), (79207, 251085), (83695, 237621), (90743, 219165)]