19913553

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67049}}^1$

素因数の和:67069

約数の個数: 16

約数和(自身を含む): 32184000

約数和(自身を除く): 12270447

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 67049, 201147, 603441, 737539, 1810323, 2212617, 6637851, 19913553]

約数ペア:

[(1, 19913553), (3, 6637851), (9, 2212617), (11, 1810323), (27, 737539), (33, 603441), (99, 201147), (297, 67049)]