19933529

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3119}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 5226151

約数列:

[1, 7, 11, 77, 83, 581, 913, 3119, 6391, 21833, 34309, 240163, 258877, 1812139, 2847647, 19933529]

約数ペア:

[(1, 19933529), (7, 2847647), (11, 1812139), (77, 258877), (83, 240163), (581, 34309), (913, 21833), (3119, 6391)]