19152679

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 24303888

約数和(自身を除く): 5151209

約数列:

[1, 7, 13, 49, 91, 107, 281, 637, 749, 1391, 1967, 3653, 5243, 9737, 13769, 25571, 30067, 68159, 178997, 210469, 390871, 1473283, 2736097, 19152679]

約数ペア:

[(1, 19152679), (7, 2736097), (13, 1473283), (49, 390871), (91, 210469), (107, 178997), (281, 68159), (637, 30067), (749, 25571), (1391, 13769), (1967, 9737), (3653, 5243)]