19656351

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1733

約数の個数: 40

約数和(自身を含む): 34516944

約数和(自身を除く): 14860593

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1697, 3861, 5091, 11583, 15273, 18667, 22061, 45819, 56001, 66183, 137457, 168003, 198549, 242671, 504009, 595647, 728013, 1512027, 1786941, 2184039, 6552117, 19656351]

約数ペア:

[(1, 19656351), (3, 6552117), (9, 2184039), (11, 1786941), (13, 1512027), (27, 728013), (33, 595647), (39, 504009), (81, 242671), (99, 198549), (117, 168003), (143, 137457), (297, 66183), (351, 56001), (429, 45819), (891, 22061), (1053, 18667), (1287, 15273), (1697, 11583), (3861, 5091)]