19240143

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 28082448

約数和(自身を除く): 8842305

約数列:

[1, 3, 13, 39, 137, 169, 277, 411, 507, 831, 1781, 3601, 5343, 10803, 23153, 37949, 46813, 69459, 113847, 140439, 493337, 1480011, 6413381, 19240143]

約数ペア:

[(1, 19240143), (3, 6413381), (13, 1480011), (39, 493337), (137, 140439), (169, 113847), (277, 69459), (411, 46813), (507, 37949), (831, 23153), (1781, 10803), (3601, 5343)]