19017768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 41946072

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 41, 42, 44, 56, 66, 77, 82, 84, 88, 123, 132, 154, 164, 168, 231, 246, 251, 264, 287, 308, 328, 451, 462, 492, 502, 574, 616, 753, 861, 902, 924, 984, 1004, 1148, 1353, 1506, 1722, 1757, 1804, 1848, 2008, 2296, 2706, 2761, 3012, 3157, 3444, 3514, 3608, 5271, 5412, 5522, 6024, 6314, 6888, 7028, 8283, 9471, 10291, 10542, 10824, 11044, 12628, 14056, 16566, 18942, 19327, 20582, 21084, 22088, 25256, 30873, 33132, 37884, 38654, 41164, 42168, 57981, 61746, 66264, 72037, 75768, 77308, 82328, 113201, 115962, 123492, 144074, 154616, 216111, 226402, 231924, 246984, 288148, 339603, 432222, 452804, 463848, 576296, 679206, 792407, 864444, 905608, 1358412, 1584814, 1728888, 2377221, 2716824, 3169628, 4754442, 6339256, 9508884, 19017768]

約数ペア:

[(1, 19017768), (2, 9508884), (3, 6339256), (4, 4754442), (6, 3169628), (7, 2716824), (8, 2377221), (11, 1728888), (12, 1584814), (14, 1358412), (21, 905608), (22, 864444), (24, 792407), (28, 679206), (33, 576296), (41, 463848), (42, 452804), (44, 432222), (56, 339603), (66, 288148), (77, 246984), (82, 231924), (84, 226402), (88, 216111), (123, 154616), (132, 144074), (154, 123492), (164, 115962), (168, 113201), (231, 82328), (246, 77308), (251, 75768), (264, 72037), (287, 66264), (308, 61746), (328, 57981), (451, 42168), (462, 41164), (492, 38654), (502, 37884), (574, 33132), (616, 30873), (753, 25256), (861, 22088), (902, 21084), (924, 20582), (984, 19327), (1004, 18942), (1148, 16566), (1353, 14056), (1506, 12628), (1722, 11044), (1757, 10824), (1804, 10542), (1848, 10291), (2008, 9471), (2296, 8283), (2706, 7028), (2761, 6888), (3012, 6314), (3157, 6024), (3444, 5522), (3514, 5412), (3608, 5271)]