19019739

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 26980912

約数和(自身を除く): 7961173

約数列:

[1, 3, 37, 53, 61, 111, 159, 183, 1961, 2257, 2809, 3233, 5883, 6771, 8427, 9699, 103933, 119621, 171349, 311799, 358863, 514047, 6339913, 19019739]

約数ペア:

[(1, 19019739), (3, 6339913), (37, 514047), (53, 358863), (61, 311799), (111, 171349), (159, 119621), (183, 103933), (1961, 9699), (2257, 8427), (2809, 6771), (3233, 5883)]