19327726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20431}}^1$

素因数の和:20487

約数の個数: 16

約数和(自身を含む): 32364288

約数和(自身を除く): 13036562

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20431, 40862, 224741, 449482, 878533, 1757066, 9663863, 19327726]

約数ペア:

[(1, 19327726), (2, 9663863), (11, 1757066), (22, 878533), (43, 449482), (86, 224741), (473, 40862), (946, 20431)]