18508740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1229}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 33564540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1229, 1255, 1506, 2458, 2510, 3012, 3687, 3765, 4916, 5020, 6145, 7374, 7530, 12290, 14748, 15060, 18435, 24580, 36870, 73740, 308479, 616958, 925437, 1233916, 1542395, 1850874, 3084790, 3701748, 4627185, 6169580, 9254370, 18508740]

約数ペア:

[(1, 18508740), (2, 9254370), (3, 6169580), (4, 4627185), (5, 3701748), (6, 3084790), (10, 1850874), (12, 1542395), (15, 1233916), (20, 925437), (30, 616958), (60, 308479), (251, 73740), (502, 36870), (753, 24580), (1004, 18435), (1229, 15060), (1255, 14748), (1506, 12290), (2458, 7530), (2510, 7374), (3012, 6145), (3687, 5020), (3765, 4916)]