19947510154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1\times {\mathrm{63929}}^1$

素因数の和:65046

約数の個数: 32

約数和(自身を含む): 35185026240

約数和(自身を除く): 15237516086

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 1091, 2182, 12001, 14183, 24002, 28366, 63929, 127858, 156013, 312026, 703219, 831077, 1406438, 1662154, 9141847, 18283694, 69746539, 139493078, 767211929, 906705007, 1534423858, 1813410014, 9973755077, 19947510154]

約数ペア:

[(1, 19947510154), (2, 9973755077), (11, 1813410014), (13, 1534423858), (22, 906705007), (26, 767211929), (143, 139493078), (286, 69746539), (1091, 18283694), (2182, 9141847), (12001, 1662154), (14183, 1406438), (24002, 831077), (28366, 703219), (63929, 312026), (127858, 156013)]