19016739

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15887}}^1$

素因数の和:15919

約数の個数: 24

約数和(自身を含む): 33047040

約数和(自身を除く): 14030301

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15887, 47661, 111209, 142983, 301853, 333627, 905559, 1000881, 2112971, 2716677, 6338913, 19016739]

約数ペア:

[(1, 19016739), (3, 6338913), (7, 2716677), (9, 2112971), (19, 1000881), (21, 905559), (57, 333627), (63, 301853), (133, 142983), (171, 111209), (399, 47661), (1197, 15887)]