2018921068

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 3640896000

約数和(自身を除く): 1621974932

約数列:

[1, 2, 4, 71, 139, 142, 199, 257, 278, 284, 398, 514, 556, 796, 1028, 9869, 14129, 18247, 19738, 27661, 28258, 35723, 36494, 39476, 51143, 55322, 56516, 71446, 72988, 102286, 110644, 142892, 204572, 1963931, 2536333, 3631153, 3927862, 5072666, 7108877, 7262306, 7855724, 10145332, 14217754, 14524612, 28435508, 504730267, 1009460534, 2018921068]

約数ペア:

[(1, 2018921068), (2, 1009460534), (4, 504730267), (71, 28435508), (139, 14524612), (142, 14217754), (199, 10145332), (257, 7855724), (278, 7262306), (284, 7108877), (398, 5072666), (514, 3927862), (556, 3631153), (796, 2536333), (1028, 1963931), (9869, 204572), (14129, 142892), (18247, 110644), (19738, 102286), (27661, 72988), (28258, 71446), (35723, 56516), (36494, 55322), (39476, 51143)]