19497995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{769}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 25613280

約数和(自身を除く): 6115285

約数列:

[1, 5, 11, 55, 461, 769, 2305, 3845, 5071, 8459, 25355, 42295, 354509, 1772545, 3899599, 19497995]

約数ペア:

[(1, 19497995), (5, 3899599), (11, 1772545), (55, 354509), (461, 42295), (769, 25355), (2305, 8459), (3845, 5071)]