18937006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 32076000

約数和(自身を除く): 13138994

約数列:

[1, 2, 11, 22, 53, 106, 109, 149, 218, 298, 583, 1166, 1199, 1639, 2398, 3278, 5777, 7897, 11554, 15794, 16241, 32482, 63547, 86867, 127094, 173734, 178651, 357302, 860773, 1721546, 9468503, 18937006]

約数ペア:

[(1, 18937006), (2, 9468503), (11, 1721546), (22, 860773), (53, 357302), (106, 178651), (109, 173734), (149, 127094), (218, 86867), (298, 63547), (583, 32482), (1166, 16241), (1199, 15794), (1639, 11554), (2398, 7897), (3278, 5777)]