19994865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121181}}^1$

素因数の和:121200

約数の個数: 16

約数和(自身を含む): 34900416

約数和(自身を除く): 14905551

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121181, 363543, 605905, 1332991, 1817715, 3998973, 6664955, 19994865]

約数ペア:

[(1, 19994865), (3, 6664955), (5, 3998973), (11, 1817715), (15, 1332991), (33, 605905), (55, 363543), (165, 121181)]