19575339

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 31887360

約数和(自身を除く): 12312021

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 691, 1349, 1491, 2073, 4047, 4837, 9443, 13129, 14511, 28329, 39387, 49061, 91903, 147183, 275709, 343427, 932159, 1030281, 2796477, 6525113, 19575339]

約数ペア:

[(1, 19575339), (3, 6525113), (7, 2796477), (19, 1030281), (21, 932159), (57, 343427), (71, 275709), (133, 147183), (213, 91903), (399, 49061), (497, 39387), (691, 28329), (1349, 14511), (1491, 13129), (2073, 9443), (4047, 4837)]