18911497

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4448

約数の個数: 16

約数和(自身を含む): 22799232

約数和(自身を除く): 3887735

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 4397, 48367, 74749, 101131, 822239, 1112441, 1719227, 18911497]

約数ペア:

[(1, 18911497), (11, 1719227), (17, 1112441), (23, 822239), (187, 101131), (253, 74749), (391, 48367), (4301, 4397)]