19927862878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{129401707}}^1$

素因数の和:129401727

約数の個数: 16

約数和(自身を含む): 37267691904

約数和(自身を除く): 17339829026

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 129401707, 258803414, 905811949, 1423418777, 1811623898, 2846837554, 9963931439, 19927862878]

約数ペア:

[(1, 19927862878), (2, 9963931439), (7, 2846837554), (11, 1811623898), (14, 1423418777), (22, 905811949), (77, 258803414), (154, 129401707)]