19080919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 5304617

約数列:

[1, 11, 13, 17, 47, 143, 167, 187, 221, 517, 611, 799, 1837, 2171, 2431, 2839, 6721, 7849, 8789, 10387, 23881, 31229, 36907, 86339, 102037, 114257, 133433, 405977, 1122407, 1467763, 1734629, 19080919]

約数ペア:

[(1, 19080919), (11, 1734629), (13, 1467763), (17, 1122407), (47, 405977), (143, 133433), (167, 114257), (187, 102037), (221, 86339), (517, 36907), (611, 31229), (799, 23881), (1837, 10387), (2171, 8789), (2431, 7849), (2839, 6721)]