19800746

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61493}}^1$

素因数の和:61525

約数の個数: 16

約数和(自身を含む): 35420544

約数和(自身を除く): 15619798

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61493, 122986, 430451, 860902, 1414339, 2828678, 9900373, 19800746]

約数ペア:

[(1, 19800746), (2, 9900373), (7, 2828678), (14, 1414339), (23, 860902), (46, 430451), (161, 122986), (322, 61493)]