19391307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9639093

約数列:

[1, 3, 13, 39, 47, 71, 141, 149, 213, 447, 611, 923, 1833, 1937, 2769, 3337, 5811, 7003, 10011, 10579, 21009, 31737, 43381, 91039, 130143, 137527, 273117, 412581, 497213, 1491639, 6463769, 19391307]

約数ペア:

[(1, 19391307), (3, 6463769), (13, 1491639), (39, 497213), (47, 412581), (71, 273117), (141, 137527), (149, 130143), (213, 91039), (447, 43381), (611, 31737), (923, 21009), (1833, 10579), (1937, 10011), (2769, 7003), (3337, 5811)]