20118751578

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{3329}}^1$

素因数の和:3828

約数の個数: 96

約数和(自身を含む): 47127225600

約数和(自身を除く): 27008474022

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 431, 738, 779, 862, 1293, 1558, 2337, 2586, 3329, 3879, 4674, 6658, 7011, 7758, 8189, 9987, 14022, 16378, 17671, 19974, 24567, 29961, 35342, 49134, 53013, 59922, 63251, 73701, 106026, 126502, 136489, 147402, 159039, 189753, 272978, 318078, 335749, 379506, 409467, 569259, 671498, 818934, 1007247, 1138518, 1228401, 1434799, 2014494, 2456802, 2593291, 2869598, 3021741, 4304397, 5186582, 6043482, 7779873, 8608794, 12913191, 15559746, 23339619, 25826382, 27261181, 46679238, 54522362, 58826759, 81783543, 117653518, 163567086, 176480277, 245350629, 352960554, 490701258, 529440831, 1058881662, 1117708421, 2235416842, 3353125263, 6706250526, 10059375789, 20118751578]

約数ペア:

[(1, 20118751578), (2, 10059375789), (3, 6706250526), (6, 3353125263), (9, 2235416842), (18, 1117708421), (19, 1058881662), (38, 529440831), (41, 490701258), (57, 352960554), (82, 245350629), (114, 176480277), (123, 163567086), (171, 117653518), (246, 81783543), (342, 58826759), (369, 54522362), (431, 46679238), (738, 27261181), (779, 25826382), (862, 23339619), (1293, 15559746), (1558, 12913191), (2337, 8608794), (2586, 7779873), (3329, 6043482), (3879, 5186582), (4674, 4304397), (6658, 3021741), (7011, 2869598), (7758, 2593291), (8189, 2456802), (9987, 2014494), (14022, 1434799), (16378, 1228401), (17671, 1138518), (19974, 1007247), (24567, 818934), (29961, 671498), (35342, 569259), (49134, 409467), (53013, 379506), (59922, 335749), (63251, 318078), (73701, 272978), (106026, 189753), (126502, 159039), (136489, 147402)]