19055278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20143}}^1$

素因数の和:20199

約数の個数: 16

約数和(自身を含む): 31908096

約数和(自身を除く): 12852818

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20143, 40286, 221573, 443146, 866149, 1732298, 9527639, 19055278]

約数ペア:

[(1, 19055278), (2, 9527639), (11, 1732298), (22, 866149), (43, 443146), (86, 221573), (473, 40286), (946, 20143)]