19312689

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 28689696

約数和(自身を除く): 9377007

約数列:

[1, 3, 11, 33, 83, 121, 249, 363, 641, 913, 1923, 2739, 7051, 10043, 21153, 30129, 53203, 77561, 159609, 232683, 585233, 1755699, 6437563, 19312689]

約数ペア:

[(1, 19312689), (3, 6437563), (11, 1755699), (33, 585233), (83, 232683), (121, 159609), (249, 77561), (363, 53203), (641, 30129), (913, 21153), (1923, 10043), (2739, 7051)]