19226727

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 60

約数和(自身を含む): 33642840

約数和(自身を除く): 14416113

約数列:

[1, 3, 9, 13, 19, 27, 31, 39, 57, 81, 93, 117, 171, 247, 279, 351, 403, 513, 589, 741, 837, 961, 1053, 1209, 1539, 1767, 2223, 2511, 2883, 3627, 5301, 6669, 7657, 8649, 10881, 12493, 15903, 18259, 20007, 22971, 25947, 32643, 37479, 47709, 54777, 68913, 77841, 112437, 164331, 206739, 237367, 337311, 492993, 620217, 712101, 1011933, 1478979, 2136303, 6408909, 19226727]

約数ペア:

[(1, 19226727), (3, 6408909), (9, 2136303), (13, 1478979), (19, 1011933), (27, 712101), (31, 620217), (39, 492993), (57, 337311), (81, 237367), (93, 206739), (117, 164331), (171, 112437), (247, 77841), (279, 68913), (351, 54777), (403, 47709), (513, 37479), (589, 32643), (741, 25947), (837, 22971), (961, 20007), (1053, 18259), (1209, 15903), (1539, 12493), (1767, 10881), (2223, 8649), (2511, 7657), (2883, 6669), (3627, 5301)]