19994897

素因数分解:

${\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 16

約数和(自身を含む): 22848000

約数和(自身を除く): 2853103

約数列:

[1, 13, 19, 169, 247, 479, 2197, 3211, 6227, 9101, 41743, 80951, 118313, 1052363, 1538069, 19994897]

約数ペア:

[(1, 19994897), (13, 1538069), (19, 1052363), (169, 118313), (247, 80951), (479, 41743), (2197, 9101), (3211, 6227)]