19470416

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 43342464

約数和(自身を除く): 23872048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 526, 661, 1052, 1322, 1841, 2104, 2644, 3682, 4208, 4627, 5288, 7364, 9254, 10576, 14728, 18508, 29456, 37016, 74032, 173843, 347686, 695372, 1216901, 1390744, 2433802, 2781488, 4867604, 9735208, 19470416]

約数ペア:

[(1, 19470416), (2, 9735208), (4, 4867604), (7, 2781488), (8, 2433802), (14, 1390744), (16, 1216901), (28, 695372), (56, 347686), (112, 173843), (263, 74032), (526, 37016), (661, 29456), (1052, 18508), (1322, 14728), (1841, 10576), (2104, 9254), (2644, 7364), (3682, 5288), (4208, 4627)]