19756143

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 34070400

約数和(自身を除く): 14314257

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 243, 297, 389, 513, 627, 891, 1167, 1539, 1881, 2673, 3501, 4279, 4617, 5643, 7391, 10503, 12837, 16929, 22173, 31509, 38511, 50787, 66519, 81301, 94527, 115533, 199557, 243903, 346599, 598671, 731709, 1039797, 1796013, 2195127, 6585381, 19756143]

約数ペア:

[(1, 19756143), (3, 6585381), (9, 2195127), (11, 1796013), (19, 1039797), (27, 731709), (33, 598671), (57, 346599), (81, 243903), (99, 199557), (171, 115533), (209, 94527), (243, 81301), (297, 66519), (389, 50787), (513, 38511), (627, 31509), (891, 22173), (1167, 16929), (1539, 12837), (1881, 10503), (2673, 7391), (3501, 5643), (4279, 4617)]