18706534

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 37209600

約数和(自身を除く): 18503066

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 67, 74, 77, 98, 134, 154, 259, 343, 407, 469, 518, 539, 686, 737, 814, 938, 1078, 1474, 1813, 2479, 2849, 3283, 3626, 3773, 4958, 5159, 5698, 6566, 7546, 10318, 12691, 17353, 19943, 22981, 25382, 27269, 34706, 36113, 39886, 45962, 54538, 72226, 121471, 139601, 190883, 242942, 252791, 279202, 381766, 505582, 850297, 1336181, 1700594, 2672362, 9353267, 18706534]

約数ペア:

[(1, 18706534), (2, 9353267), (7, 2672362), (11, 1700594), (14, 1336181), (22, 850297), (37, 505582), (49, 381766), (67, 279202), (74, 252791), (77, 242942), (98, 190883), (134, 139601), (154, 121471), (259, 72226), (343, 54538), (407, 45962), (469, 39886), (518, 36113), (539, 34706), (686, 27269), (737, 25382), (814, 22981), (938, 19943), (1078, 17353), (1474, 12691), (1813, 10318), (2479, 7546), (2849, 6566), (3283, 5698), (3626, 5159), (3773, 4958)]