18874998

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 46008000

約数和(自身を除く): 27133002

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 87, 102, 153, 174, 261, 306, 459, 493, 522, 709, 783, 918, 986, 1418, 1479, 1566, 2127, 2958, 4254, 4437, 6381, 8874, 12053, 12762, 13311, 19143, 20561, 24106, 26622, 36159, 38286, 41122, 61683, 72318, 108477, 123366, 185049, 216954, 325431, 349537, 370098, 555147, 650862, 699074, 1048611, 1110294, 2097222, 3145833, 6291666, 9437499, 18874998]

約数ペア:

[(1, 18874998), (2, 9437499), (3, 6291666), (6, 3145833), (9, 2097222), (17, 1110294), (18, 1048611), (27, 699074), (29, 650862), (34, 555147), (51, 370098), (54, 349537), (58, 325431), (87, 216954), (102, 185049), (153, 123366), (174, 108477), (261, 72318), (306, 61683), (459, 41122), (493, 38286), (522, 36159), (709, 26622), (783, 24106), (918, 20561), (986, 19143), (1418, 13311), (1479, 12762), (1566, 12053), (2127, 8874), (2958, 6381), (4254, 4437)]