19820794

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4933}}^1$

素因数の和:4990

約数の個数: 24

約数和(自身を含む): 35435988

約数和(自身を除く): 15615194

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 4933, 9866, 34531, 69062, 202253, 241717, 404506, 483434, 1415771, 2831542, 9910397, 19820794]

約数ペア:

[(1, 19820794), (2, 9910397), (7, 2831542), (14, 1415771), (41, 483434), (49, 404506), (82, 241717), (98, 202253), (287, 69062), (574, 34531), (2009, 9866), (4018, 4933)]