19838793

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 30764160

約数和(自身を除く): 10925367

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 653, 741, 779, 1599, 1959, 2337, 8489, 10127, 12407, 25467, 26773, 30381, 37221, 80319, 161291, 348049, 483873, 508687, 1044147, 1526061, 6612931, 19838793]

約数ペア:

[(1, 19838793), (3, 6612931), (13, 1526061), (19, 1044147), (39, 508687), (41, 483873), (57, 348049), (123, 161291), (247, 80319), (533, 37221), (653, 30381), (741, 26773), (779, 25467), (1599, 12407), (1959, 10127), (2337, 8489)]