18704818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1489}}^1$

素因数の和:2073

約数の個数: 16

約数和(自身を含む): 30682080

約数和(自身を除く): 11977262

約数列:

[1, 2, 11, 22, 571, 1142, 1489, 2978, 6281, 12562, 16379, 32758, 850219, 1700438, 9352409, 18704818]

約数ペア:

[(1, 18704818), (2, 9352409), (11, 1700438), (22, 850219), (571, 32758), (1142, 16379), (1489, 12562), (2978, 6281)]