19972802

素因数分解:

$2^1\times {\mathrm{1021}}^1\times {\mathrm{9781}}^1$

素因数の和:10804

約数の個数: 8

約数和(自身を含む): 29991612

約数和(自身を除く): 10018810

約数列:

[1, 2, 1021, 2042, 9781, 19562, 9986401, 19972802]

約数ペア:

[(1, 19972802), (2, 9986401), (1021, 19562), (2042, 9781)]