19243719

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 31370976

約数和(自身を除く): 12127257

約数列:

[1, 3, 9, 11, 33, 41, 99, 121, 123, 363, 369, 431, 451, 1089, 1293, 1353, 3879, 4059, 4741, 4961, 14223, 14883, 17671, 42669, 44649, 52151, 53013, 156453, 159039, 194381, 469359, 583143, 1749429, 2138191, 6414573, 19243719]

約数ペア:

[(1, 19243719), (3, 6414573), (9, 2138191), (11, 1749429), (33, 583143), (41, 469359), (99, 194381), (121, 159039), (123, 156453), (363, 53013), (369, 52151), (431, 44649), (451, 42669), (1089, 17671), (1293, 14883), (1353, 14223), (3879, 4961), (4059, 4741)]