18511317

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 36

約数和(自身を含む): 31034016

約数和(自身を除く): 12522699

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 289, 561, 647, 867, 1683, 1941, 2601, 3179, 5823, 7117, 9537, 10999, 21351, 28611, 32997, 64053, 98991, 120989, 186983, 362967, 560949, 1088901, 1682847, 2056813, 6170439, 18511317]

約数ペア:

[(1, 18511317), (3, 6170439), (9, 2056813), (11, 1682847), (17, 1088901), (33, 560949), (51, 362967), (99, 186983), (153, 120989), (187, 98991), (289, 64053), (561, 32997), (647, 28611), (867, 21351), (1683, 10999), (1941, 9537), (2601, 7117), (3179, 5823)]