19977429184

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{269}}^1\times {\mathrm{9137}}^1$

素因数の和:9545

約数の個数: 56

約数和(自身を含む): 40107778560

約数和(自身を除く): 20130349376

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 269, 508, 538, 1016, 1076, 2032, 2152, 4064, 4304, 8128, 8608, 9137, 17216, 18274, 34163, 36548, 68326, 73096, 136652, 146192, 273304, 292384, 546608, 584768, 1093216, 1160399, 2186432, 2320798, 2457853, 4641596, 4915706, 9283192, 9831412, 18566384, 19662824, 37132768, 39325648, 74265536, 78651296, 157302592, 312147331, 624294662, 1248589324, 2497178648, 4994357296, 9988714592, 19977429184]

約数ペア:

[(1, 19977429184), (2, 9988714592), (4, 4994357296), (8, 2497178648), (16, 1248589324), (32, 624294662), (64, 312147331), (127, 157302592), (254, 78651296), (269, 74265536), (508, 39325648), (538, 37132768), (1016, 19662824), (1076, 18566384), (2032, 9831412), (2152, 9283192), (4064, 4915706), (4304, 4641596), (8128, 2457853), (8608, 2320798), (9137, 2186432), (17216, 1160399), (18274, 1093216), (34163, 584768), (36548, 546608), (68326, 292384), (73096, 273304), (136652, 146192)]