19888959

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 27129600

約数和(自身を除く): 7240641

約数列:

[1, 3, 59, 177, 313, 359, 939, 1077, 18467, 21181, 55401, 63543, 112367, 337101, 6629653, 19888959]

約数ペア:

[(1, 19888959), (3, 6629653), (59, 337101), (177, 112367), (313, 63543), (359, 55401), (939, 21181), (1077, 18467)]