19990634

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5501}}^1$

素因数の和:5605

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 11700886

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5501, 11002, 126523, 253046, 434579, 869158, 9995317, 19990634]

約数ペア:

[(1, 19990634), (2, 9995317), (23, 869158), (46, 434579), (79, 253046), (158, 126523), (1817, 11002), (3634, 5501)]