18676120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12619}}^1$

素因数の和:12667

約数の個数: 32

約数和(自身を含む): 43160400

約数和(自身を除く): 24484280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12619, 25238, 50476, 63095, 100952, 126190, 252380, 466903, 504760, 933806, 1867612, 2334515, 3735224, 4669030, 9338060, 18676120]

約数ペア:

[(1, 18676120), (2, 9338060), (4, 4669030), (5, 3735224), (8, 2334515), (10, 1867612), (20, 933806), (37, 504760), (40, 466903), (74, 252380), (148, 126190), (185, 100952), (296, 63095), (370, 50476), (740, 25238), (1480, 12619)]