19739574

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 44495568

約数和(自身を除く): 24755994

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 107, 111, 214, 222, 277, 321, 333, 554, 642, 666, 831, 963, 1662, 1926, 2493, 3959, 4986, 7918, 10249, 11877, 20498, 23754, 29639, 30747, 35631, 59278, 61494, 71262, 88917, 92241, 177834, 184482, 266751, 533502, 1096643, 2193286, 3289929, 6579858, 9869787, 19739574]

約数ペア:

[(1, 19739574), (2, 9869787), (3, 6579858), (6, 3289929), (9, 2193286), (18, 1096643), (37, 533502), (74, 266751), (107, 184482), (111, 177834), (214, 92241), (222, 88917), (277, 71262), (321, 61494), (333, 59278), (554, 35631), (642, 30747), (666, 29639), (831, 23754), (963, 20498), (1662, 11877), (1926, 10249), (2493, 7918), (3959, 4986)]