18719706

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 40116384

約数和(自身を除く): 21396678

約数列:

[1, 2, 3, 6, 37, 43, 53, 74, 86, 106, 111, 129, 159, 222, 258, 318, 1369, 1591, 1961, 2279, 2738, 3182, 3922, 4107, 4558, 4773, 5883, 6837, 8214, 9546, 11766, 13674, 58867, 72557, 84323, 117734, 145114, 168646, 176601, 217671, 252969, 353202, 435342, 505938, 3119951, 6239902, 9359853, 18719706]

約数ペア:

[(1, 18719706), (2, 9359853), (3, 6239902), (6, 3119951), (37, 505938), (43, 435342), (53, 353202), (74, 252969), (86, 217671), (106, 176601), (111, 168646), (129, 145114), (159, 117734), (222, 84323), (258, 72557), (318, 58867), (1369, 13674), (1591, 11766), (1961, 9546), (2279, 8214), (2738, 6837), (3182, 5883), (3922, 4773), (4107, 4558)]