18199716

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 46080384

約数和(自身を除く): 27880668

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 61, 69, 92, 94, 122, 138, 141, 183, 188, 244, 276, 282, 366, 529, 564, 732, 1058, 1081, 1403, 1587, 2116, 2162, 2806, 2867, 3174, 3243, 4209, 4324, 5612, 5734, 6348, 6486, 8418, 8601, 11468, 12972, 16836, 17202, 24863, 32269, 34404, 49726, 64538, 65941, 74589, 96807, 99452, 129076, 131882, 149178, 193614, 197823, 263764, 298356, 387228, 395646, 791292, 1516643, 3033286, 4549929, 6066572, 9099858, 18199716]

約数ペア:

[(1, 18199716), (2, 9099858), (3, 6066572), (4, 4549929), (6, 3033286), (12, 1516643), (23, 791292), (46, 395646), (47, 387228), (61, 298356), (69, 263764), (92, 197823), (94, 193614), (122, 149178), (138, 131882), (141, 129076), (183, 99452), (188, 96807), (244, 74589), (276, 65941), (282, 64538), (366, 49726), (529, 34404), (564, 32269), (732, 24863), (1058, 17202), (1081, 16836), (1403, 12972), (1587, 11468), (2116, 8601), (2162, 8418), (2806, 6486), (2867, 6348), (3174, 5734), (3243, 5612), (4209, 4324)]