19786351

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 23242464

約数和(自身を除く): 3456113

約数列:

[1, 13, 17, 71, 97, 169, 221, 923, 1207, 1261, 1649, 2873, 6887, 11999, 15691, 16393, 21437, 89531, 117079, 203983, 278681, 1163903, 1522027, 19786351]

約数ペア:

[(1, 19786351), (13, 1522027), (17, 1163903), (71, 278681), (97, 203983), (169, 117079), (221, 89531), (923, 21437), (1207, 16393), (1261, 15691), (1649, 11999), (2873, 6887)]