19787156935

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1402847}}^1$

素因数の和:1402903

約数の個数: 32

約数和(自身を含む): 30166843392

約数和(自身を除く): 10379686457

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 1402847, 7014235, 9819929, 18237011, 43488257, 49099645, 91185055, 127659077, 217441285, 304417799, 565347341, 638295385, 1522088995, 2826736705, 3957431387, 19787156935]

約数ペア:

[(1, 19787156935), (5, 3957431387), (7, 2826736705), (13, 1522088995), (31, 638295385), (35, 565347341), (65, 304417799), (91, 217441285), (155, 127659077), (217, 91185055), (403, 49099645), (455, 43488257), (1085, 18237011), (2015, 9819929), (2821, 7014235), (14105, 1402847)]