19790888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{190297}}^1$

素因数の和:190316

約数の個数: 16

約数和(自身を含む): 39962580

約数和(自身を除く): 20171692

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 190297, 380594, 761188, 1522376, 2473861, 4947722, 9895444, 19790888]

約数ペア:

[(1, 19790888), (2, 9895444), (4, 4947722), (8, 2473861), (13, 1522376), (26, 761188), (52, 380594), (104, 190297)]