19137963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{881}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 27560736

約数和(自身を除く): 8422773

約数列:

[1, 3, 13, 39, 557, 881, 1671, 2643, 7241, 11453, 21723, 34359, 490717, 1472151, 6379321, 19137963]

約数ペア:

[(1, 19137963), (3, 6379321), (13, 1472151), (39, 490717), (557, 34359), (881, 21723), (1671, 11453), (2643, 7241)]