19439589

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3301}}^1$

素因数の和:3468

約数の個数: 16

約数和(自身を含む): 28106624

約数和(自身を除く): 8667035

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3301, 5889, 9903, 42913, 128739, 498451, 1495353, 6479863, 19439589]

約数ペア:

[(1, 19439589), (3, 6479863), (13, 1495353), (39, 498451), (151, 128739), (453, 42913), (1963, 9903), (3301, 5889)]