18910366265

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{8573}}^1$

素因数の和:8742

約数の個数: 64

約数和(自身を含む): 28446474240

約数和(自身を除く): 9536107975

約数列:

[1, 5, 7, 19, 31, 35, 95, 107, 133, 155, 217, 535, 589, 665, 749, 1085, 2033, 2945, 3317, 3745, 4123, 8573, 10165, 14231, 16585, 20615, 23219, 42865, 60011, 63023, 71155, 116095, 162887, 265763, 300055, 315115, 441161, 814435, 917311, 1140209, 1328815, 1860341, 2205805, 4586555, 5049497, 5701045, 6421177, 9301705, 17428909, 25247485, 28436641, 32105885, 35346479, 87144545, 122002363, 142183205, 176732395, 199056487, 540296179, 610011815, 995282435, 2701480895, 3782073253, 18910366265]

約数ペア:

[(1, 18910366265), (5, 3782073253), (7, 2701480895), (19, 995282435), (31, 610011815), (35, 540296179), (95, 199056487), (107, 176732395), (133, 142183205), (155, 122002363), (217, 87144545), (535, 35346479), (589, 32105885), (665, 28436641), (749, 25247485), (1085, 17428909), (2033, 9301705), (2945, 6421177), (3317, 5701045), (3745, 5049497), (4123, 4586555), (8573, 2205805), (10165, 1860341), (14231, 1328815), (16585, 1140209), (20615, 917311), (23219, 814435), (42865, 441161), (60011, 315115), (63023, 300055), (71155, 265763), (116095, 162887)]