18838288

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 44568576

約数和(自身を除く): 25730288

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 71, 92, 103, 112, 142, 161, 184, 206, 284, 322, 368, 412, 497, 568, 644, 721, 824, 994, 1136, 1288, 1442, 1633, 1648, 1988, 2369, 2576, 2884, 3266, 3976, 4738, 5768, 6532, 7313, 7952, 9476, 11431, 11536, 13064, 14626, 16583, 18952, 22862, 26128, 29252, 33166, 37904, 45724, 51191, 58504, 66332, 91448, 102382, 117008, 132664, 168199, 182896, 204764, 265328, 336398, 409528, 672796, 819056, 1177393, 1345592, 2354786, 2691184, 4709572, 9419144, 18838288]

約数ペア:

[(1, 18838288), (2, 9419144), (4, 4709572), (7, 2691184), (8, 2354786), (14, 1345592), (16, 1177393), (23, 819056), (28, 672796), (46, 409528), (56, 336398), (71, 265328), (92, 204764), (103, 182896), (112, 168199), (142, 132664), (161, 117008), (184, 102382), (206, 91448), (284, 66332), (322, 58504), (368, 51191), (412, 45724), (497, 37904), (568, 33166), (644, 29252), (721, 26128), (824, 22862), (994, 18952), (1136, 16583), (1288, 14626), (1442, 13064), (1633, 11536), (1648, 11431), (1988, 9476), (2369, 7952), (2576, 7313), (2884, 6532), (3266, 5768), (3976, 4738)]