19912376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3187}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 41316480

約数和(自身を除く): 21404104

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3187, 6248, 6374, 12748, 25496, 35057, 70114, 140228, 226277, 280456, 452554, 905108, 1810216, 2489047, 4978094, 9956188, 19912376]

約数ペア:

[(1, 19912376), (2, 9956188), (4, 4978094), (8, 2489047), (11, 1810216), (22, 905108), (44, 452554), (71, 280456), (88, 226277), (142, 140228), (284, 70114), (568, 35057), (781, 25496), (1562, 12748), (3124, 6374), (3187, 6248)]