19996504514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{15937}}^1$

素因数の和:16107

約数の個数: 64

約数和(自身を含む): 37180166400

約数和(自身を除く): 17183661886

約数列:

[1, 2, 7, 14, 19, 38, 53, 89, 106, 133, 178, 266, 371, 623, 742, 1007, 1246, 1691, 2014, 3382, 4717, 7049, 9434, 11837, 14098, 15937, 23674, 31874, 33019, 66038, 89623, 111559, 179246, 223118, 302803, 605606, 627361, 844661, 1254722, 1418393, 1689322, 2119621, 2836786, 4239242, 5912627, 9928751, 11825254, 16048559, 19857502, 26949467, 32097118, 53898934, 75174829, 112339913, 150349658, 188646269, 224679826, 377292538, 526223803, 1052447606, 1428321751, 2856643502, 9998252257, 19996504514]

約数ペア:

[(1, 19996504514), (2, 9998252257), (7, 2856643502), (14, 1428321751), (19, 1052447606), (38, 526223803), (53, 377292538), (89, 224679826), (106, 188646269), (133, 150349658), (178, 112339913), (266, 75174829), (371, 53898934), (623, 32097118), (742, 26949467), (1007, 19857502), (1246, 16048559), (1691, 11825254), (2014, 9928751), (3382, 5912627), (4717, 4239242), (7049, 2836786), (9434, 2119621), (11837, 1689322), (14098, 1418393), (15937, 1254722), (23674, 844661), (31874, 627361), (33019, 605606), (66038, 302803), (89623, 223118), (111559, 179246)]