19409949

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18433}}^1$

素因数の和:18458

約数の個数: 20

約数和(自身を含む): 31227196

約数和(自身を除く): 11817247

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18433, 55299, 165897, 239629, 497691, 718887, 1493073, 2156661, 6469983, 19409949]

約数ペア:

[(1, 19409949), (3, 6469983), (9, 2156661), (13, 1493073), (27, 718887), (39, 497691), (81, 239629), (117, 165897), (351, 55299), (1053, 18433)]