19374471

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12589}}^1$

素因数の和:12620

約数の個数: 20

約数和(自身を含む): 30467800

約数和(自身を除く): 11093329

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12589, 37767, 113301, 239191, 339903, 717573, 1019709, 2152719, 6458157, 19374471]

約数ペア:

[(1, 19374471), (3, 6458157), (9, 2152719), (19, 1019709), (27, 717573), (57, 339903), (81, 239191), (171, 113301), (513, 37767), (1539, 12589)]