19664414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127691}}^1$

素因数の和:127711

約数の個数: 16

約数和(自身を含む): 36775296

約数和(自身を除く): 17110882

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 127691, 255382, 893837, 1404601, 1787674, 2809202, 9832207, 19664414]

約数ペア:

[(1, 19664414), (2, 9832207), (7, 2809202), (11, 1787674), (14, 1404601), (22, 893837), (77, 255382), (154, 127691)]