19864064

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3527}}^1$

素因数の和:3556

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 23445664

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3527, 5632, 7054, 14108, 28216, 38797, 56432, 77594, 112864, 155188, 225728, 310376, 451456, 620752, 902912, 1241504, 1805824, 2483008, 4966016, 9932032, 19864064]

約数ペア:

[(1, 19864064), (2, 9932032), (4, 4966016), (8, 2483008), (11, 1805824), (16, 1241504), (22, 902912), (32, 620752), (44, 451456), (64, 310376), (88, 225728), (128, 155188), (176, 112864), (256, 77594), (352, 56432), (512, 38797), (704, 28216), (1408, 14108), (2816, 7054), (3527, 5632)]