19657287

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9883}}^1$

素因数の和:9919

約数の個数: 24

約数和(自身を含む): 32379984

約数和(自身を除く): 12722697

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9883, 29649, 88947, 128479, 168011, 385437, 504033, 1156311, 1512099, 2184143, 6552429, 19657287]

約数ペア:

[(1, 19657287), (3, 6552429), (9, 2184143), (13, 1512099), (17, 1156311), (39, 504033), (51, 385437), (117, 168011), (153, 128479), (221, 88947), (663, 29649), (1989, 9883)]