17977708

素因数分解:

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

素因数の和:159

約数の個数: 54

約数和(自身を含む): 38174724

約数和(自身を除く): 20197016

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 67, 74, 98, 134, 148, 196, 259, 268, 469, 518, 938, 1036, 1369, 1813, 1876, 2479, 2738, 3283, 3626, 4958, 5476, 6566, 7252, 9583, 9916, 13132, 17353, 19166, 34706, 38332, 67081, 69412, 91723, 121471, 134162, 183446, 242942, 268324, 366892, 485884, 642061, 1284122, 2568244, 4494427, 8988854, 17977708]

約数ペア:

[(1, 17977708), (2, 8988854), (4, 4494427), (7, 2568244), (14, 1284122), (28, 642061), (37, 485884), (49, 366892), (67, 268324), (74, 242942), (98, 183446), (134, 134162), (148, 121471), (196, 91723), (259, 69412), (268, 67081), (469, 38332), (518, 34706), (938, 19166), (1036, 17353), (1369, 13132), (1813, 9916), (1876, 9583), (2479, 7252), (2738, 6566), (3283, 5476), (3626, 4958)]