19805114

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3313}}^1$

素因数の和:3390

約数の個数: 24

約数和(自身を含む): 35135028

約数和(自身を除く): 15329914

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3313, 5978, 6626, 23191, 46382, 162337, 202093, 324674, 404186, 1414651, 2829302, 9902557, 19805114]

約数ペア:

[(1, 19805114), (2, 9902557), (7, 2829302), (14, 1414651), (49, 404186), (61, 324674), (98, 202093), (122, 162337), (427, 46382), (854, 23191), (2989, 6626), (3313, 5978)]