18815599648

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{33199}}^1$

素因数の和:33497

約数の個数: 48

約数和(自身を含む): 37648800000

約数和(自身を除く): 18833200352

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 199, 356, 398, 712, 796, 1424, 1592, 2848, 3184, 6368, 17711, 33199, 35422, 66398, 70844, 132796, 141688, 265592, 283376, 531184, 566752, 1062368, 2954711, 5909422, 6606601, 11818844, 13213202, 23637688, 26426404, 47275376, 52852808, 94550752, 105705616, 211411232, 587987489, 1175974978, 2351949956, 4703899912, 9407799824, 18815599648]

約数ペア:

[(1, 18815599648), (2, 9407799824), (4, 4703899912), (8, 2351949956), (16, 1175974978), (32, 587987489), (89, 211411232), (178, 105705616), (199, 94550752), (356, 52852808), (398, 47275376), (712, 26426404), (796, 23637688), (1424, 13213202), (1592, 11818844), (2848, 6606601), (3184, 5909422), (6368, 2954711), (17711, 1062368), (33199, 566752), (35422, 531184), (66398, 283376), (70844, 265592), (132796, 141688)]