19724553

素因数分解:

$3^7\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 30700800

約数和(自身を除く): 10976247

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 311, 729, 783, 933, 2187, 2349, 2799, 7047, 8397, 9019, 21141, 25191, 27057, 63423, 75573, 81171, 226719, 243513, 680157, 730539, 2191617, 6574851, 19724553]

約数ペア:

[(1, 19724553), (3, 6574851), (9, 2191617), (27, 730539), (29, 680157), (81, 243513), (87, 226719), (243, 81171), (261, 75573), (311, 63423), (729, 27057), (783, 25191), (933, 21141), (2187, 9019), (2349, 8397), (2799, 7047)]