19934315

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 24463296

約数和(自身を除く): 4528981

約数列:

[1, 5, 71, 233, 241, 355, 1165, 1205, 16543, 17111, 56153, 82715, 85555, 280765, 3986863, 19934315]

約数ペア:

[(1, 19934315), (5, 3986863), (71, 280765), (233, 85555), (241, 82715), (355, 56153), (1165, 17111), (1205, 16543)]