2019975009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{2719}}^1$

素因数の和:3221

約数の個数: 32

約数和(自身を含む): 2975723520

約数和(自身を除く): 955748511

約数列:

[1, 3, 13, 39, 43, 129, 443, 559, 1329, 1677, 2719, 5759, 8157, 17277, 19049, 35347, 57147, 106041, 116917, 247637, 350751, 742911, 1204517, 1519921, 3613551, 4559763, 15658721, 46976163, 51794231, 155382693, 673325003, 2019975009]

約数ペア:

[(1, 2019975009), (3, 673325003), (13, 155382693), (39, 51794231), (43, 46976163), (129, 15658721), (443, 4559763), (559, 3613551), (1329, 1519921), (1677, 1204517), (2719, 742911), (5759, 350751), (8157, 247637), (17277, 116917), (19049, 106041), (35347, 57147)]