19811554

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{14011}}^1$

素因数の和:14121

約数の個数: 16

約数和(自身を含む): 34301376

約数和(自身を除く): 14489822

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 14011, 28022, 98077, 196154, 1415111, 2830222, 9905777, 19811554]

約数ペア:

[(1, 19811554), (2, 9905777), (7, 2830222), (14, 1415111), (101, 196154), (202, 98077), (707, 28022), (1414, 14011)]