19916006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12401}}^1$

素因数の和:12487

約数の個数: 16

約数和(自身を含む): 33038928

約数和(自身を除く): 13122922

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12401, 24802, 136411, 272822, 905273, 1810546, 9958003, 19916006]

約数ペア:

[(1, 19916006), (2, 9958003), (11, 1810546), (22, 905273), (73, 272822), (146, 136411), (803, 24802), (1606, 12401)]