18421634

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 36640512

約数和(自身を除く): 18218878

約数列:

[1, 2, 7, 11, 14, 22, 37, 53, 61, 74, 77, 106, 122, 154, 259, 371, 407, 427, 518, 583, 671, 742, 814, 854, 1166, 1342, 1961, 2257, 2849, 3233, 3922, 4081, 4514, 4697, 5698, 6466, 8162, 9394, 13727, 15799, 21571, 22631, 24827, 27454, 31598, 35563, 43142, 45262, 49654, 71126, 119621, 150997, 173789, 239242, 248941, 301994, 347578, 497882, 837347, 1315831, 1674694, 2631662, 9210817, 18421634]

約数ペア:

[(1, 18421634), (2, 9210817), (7, 2631662), (11, 1674694), (14, 1315831), (22, 837347), (37, 497882), (53, 347578), (61, 301994), (74, 248941), (77, 239242), (106, 173789), (122, 150997), (154, 119621), (259, 71126), (371, 49654), (407, 45262), (427, 43142), (518, 35563), (583, 31598), (671, 27454), (742, 24827), (814, 22631), (854, 21571), (1166, 15799), (1342, 13727), (1961, 9394), (2257, 8162), (2849, 6466), (3233, 5698), (3922, 4697), (4081, 4514)]