18720424

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{17863}}^1$

素因数の和:18000

約数の個数: 16

約数和(自身を含む): 35370720

約数和(自身を除く): 16650296

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 17863, 35726, 71452, 142904, 2340053, 4680106, 9360212, 18720424]

約数ペア:

[(1, 18720424), (2, 9360212), (4, 4680106), (8, 2340053), (131, 142904), (262, 71452), (524, 35726), (1048, 17863)]