19938295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2239}}^1$

素因数の和:2394

約数の個数: 16

約数和(自身を含む): 25966080

約数和(自身を除く): 6027785

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2239, 8905, 11195, 29107, 145535, 306743, 1533715, 3987659, 19938295]

約数ペア:

[(1, 19938295), (5, 3987659), (13, 1533715), (65, 306743), (137, 145535), (685, 29107), (1781, 11195), (2239, 8905)]