19796872

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{9859}}^1$

素因数の和:10116

約数の個数: 16

約数和(自身を含む): 37270800

約数和(自身を除く): 17473928

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 9859, 19718, 39436, 78872, 2474609, 4949218, 9898436, 19796872]

約数ペア:

[(1, 19796872), (2, 9898436), (4, 4949218), (8, 2474609), (251, 78872), (502, 39436), (1004, 19718), (2008, 9859)]