19697678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9839}}^1$

素因数の和:9872

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 19977202

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 9839, 19678, 68873, 108229, 127907, 137746, 216458, 255814, 757603, 895349, 1406977, 1515206, 1790698, 2813954, 9848839, 19697678]

約数ペア:

[(1, 19697678), (2, 9848839), (7, 2813954), (11, 1790698), (13, 1515206), (14, 1406977), (22, 895349), (26, 757603), (77, 255814), (91, 216458), (143, 137746), (154, 127907), (182, 108229), (286, 68873), (1001, 19678), (2002, 9839)]