18480868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28697}}^1$

素因数の和:28731

約数の個数: 24

約数和(自身を含む): 38570112

約数和(自身を除く): 20089244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 28697, 57394, 114788, 200879, 401758, 660031, 803516, 1320062, 2640124, 4620217, 9240434, 18480868]

約数ペア:

[(1, 18480868), (2, 9240434), (4, 4620217), (7, 2640124), (14, 1320062), (23, 803516), (28, 660031), (46, 401758), (92, 200879), (161, 114788), (322, 57394), (644, 28697)]