19741326

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2647}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 43469568

約数和(自身を除く): 23728242

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 2647, 3729, 5294, 7458, 7941, 15882, 29117, 58234, 87351, 174702, 299111, 598222, 897333, 1794666, 3290221, 6580442, 9870663, 19741326]

約数ペア:

[(1, 19741326), (2, 9870663), (3, 6580442), (6, 3290221), (11, 1794666), (22, 897333), (33, 598222), (66, 299111), (113, 174702), (226, 87351), (339, 58234), (678, 29117), (1243, 15882), (2486, 7941), (2647, 7458), (3729, 5294)]