19319218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{919}}^1$

素因数の和:1401

約数の個数: 16

約数和(自身を含む): 30337920

約数和(自身を除く): 11018702

約数列:

[1, 2, 23, 46, 457, 914, 919, 1838, 10511, 21022, 21137, 42274, 419983, 839966, 9659609, 19319218]

約数ペア:

[(1, 19319218), (2, 9659609), (23, 839966), (46, 419983), (457, 42274), (914, 21137), (919, 21022), (1838, 10511)]