18340752

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 50889600

約数和(自身を除く): 32548848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 37, 46, 48, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 368, 444, 449, 552, 592, 851, 888, 898, 1104, 1347, 1702, 1776, 1796, 2553, 2694, 3404, 3592, 5106, 5388, 6808, 7184, 10212, 10327, 10776, 13616, 16613, 20424, 20654, 21552, 30981, 33226, 40848, 41308, 49839, 61962, 66452, 82616, 99678, 123924, 132904, 165232, 199356, 247848, 265808, 382099, 398712, 495696, 764198, 797424, 1146297, 1528396, 2292594, 3056792, 4585188, 6113584, 9170376, 18340752]

約数ペア:

[(1, 18340752), (2, 9170376), (3, 6113584), (4, 4585188), (6, 3056792), (8, 2292594), (12, 1528396), (16, 1146297), (23, 797424), (24, 764198), (37, 495696), (46, 398712), (48, 382099), (69, 265808), (74, 247848), (92, 199356), (111, 165232), (138, 132904), (148, 123924), (184, 99678), (222, 82616), (276, 66452), (296, 61962), (368, 49839), (444, 41308), (449, 40848), (552, 33226), (592, 30981), (851, 21552), (888, 20654), (898, 20424), (1104, 16613), (1347, 13616), (1702, 10776), (1776, 10327), (1796, 10212), (2553, 7184), (2694, 6808), (3404, 5388), (3592, 5106)]