19965231

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5171}}^1$

素因数の和:5204

約数の個数: 32

約数和(自身を含む): 34755840

約数和(自身を除く): 14790609

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5171, 15513, 46539, 56881, 67223, 139617, 170643, 201669, 511929, 605007, 739453, 1535787, 1815021, 2218359, 6655077, 19965231]

約数ペア:

[(1, 19965231), (3, 6655077), (9, 2218359), (11, 1815021), (13, 1535787), (27, 739453), (33, 605007), (39, 511929), (99, 201669), (117, 170643), (143, 139617), (297, 67223), (351, 56881), (429, 46539), (1287, 15513), (3861, 5171)]