19930743

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10909}}^1$

素因数の和:10951

約数の個数: 24

約数和(自身を含む): 34039200

約数和(自身を除く): 14108457

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10909, 32727, 76363, 98181, 229089, 316361, 687267, 949083, 2214527, 2847249, 6643581, 19930743]

約数ペア:

[(1, 19930743), (3, 6643581), (7, 2847249), (9, 2214527), (21, 949083), (29, 687267), (63, 316361), (87, 229089), (203, 98181), (261, 76363), (609, 32727), (1827, 10909)]