18666870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 46884096

約数和(自身を除く): 28217226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 67, 74, 111, 134, 185, 201, 222, 251, 335, 370, 402, 502, 555, 670, 753, 1005, 1110, 1255, 1506, 2010, 2479, 2510, 3765, 4958, 7437, 7530, 9287, 12395, 14874, 16817, 18574, 24790, 27861, 33634, 37185, 46435, 50451, 55722, 74370, 84085, 92870, 100902, 139305, 168170, 252255, 278610, 504510, 622229, 1244458, 1866687, 3111145, 3733374, 6222290, 9333435, 18666870]

約数ペア:

[(1, 18666870), (2, 9333435), (3, 6222290), (5, 3733374), (6, 3111145), (10, 1866687), (15, 1244458), (30, 622229), (37, 504510), (67, 278610), (74, 252255), (111, 168170), (134, 139305), (185, 100902), (201, 92870), (222, 84085), (251, 74370), (335, 55722), (370, 50451), (402, 46435), (502, 37185), (555, 33634), (670, 27861), (753, 24790), (1005, 18574), (1110, 16817), (1255, 14874), (1506, 12395), (2010, 9287), (2479, 7530), (2510, 7437), (3765, 4958)]