15661972004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1549463}}^1$

素因数の和:1549512

約数の個数: 36

約数和(自身を含む): 33059363904

約数和(自身を除く): 17397391900

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 1549463, 3098926, 6197852, 10846241, 21692482, 29439797, 43384964, 58879594, 117759188, 206078579, 412157158, 559356143, 824314316, 1118712286, 2237424572, 3915493001, 7830986002, 15661972004]

約数ペア:

[(1, 15661972004), (2, 7830986002), (4, 3915493001), (7, 2237424572), (14, 1118712286), (19, 824314316), (28, 559356143), (38, 412157158), (76, 206078579), (133, 117759188), (266, 58879594), (361, 43384964), (532, 29439797), (722, 21692482), (1444, 10846241), (2527, 6197852), (5054, 3098926), (10108, 1549463)]