17990214

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 23378106

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 53, 66, 74, 106, 111, 139, 159, 222, 278, 318, 407, 417, 583, 814, 834, 1166, 1221, 1529, 1749, 1961, 2442, 3058, 3498, 3922, 4587, 5143, 5883, 7367, 9174, 10286, 11766, 14734, 15429, 21571, 22101, 30858, 43142, 44202, 56573, 64713, 81037, 113146, 129426, 162074, 169719, 243111, 272579, 339438, 486222, 545158, 817737, 1635474, 2998369, 5996738, 8995107, 17990214]

約数ペア:

[(1, 17990214), (2, 8995107), (3, 5996738), (6, 2998369), (11, 1635474), (22, 817737), (33, 545158), (37, 486222), (53, 339438), (66, 272579), (74, 243111), (106, 169719), (111, 162074), (139, 129426), (159, 113146), (222, 81037), (278, 64713), (318, 56573), (407, 44202), (417, 43142), (583, 30858), (814, 22101), (834, 21571), (1166, 15429), (1221, 14734), (1529, 11766), (1749, 10286), (1961, 9174), (2442, 7367), (3058, 5883), (3498, 5143), (3922, 4587)]