2018578734

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{159521}}^1$

素因数の和:159585

約数の個数: 48

約数和(自身を含む): 4728232080

約数和(自身を除く): 2709653346

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 2109, 4218, 6327, 12654, 159521, 319042, 478563, 957126, 1435689, 2871378, 3030899, 5902277, 6061798, 9092697, 11804554, 17706831, 18185394, 27278091, 35413662, 53120493, 54556182, 106240986, 112143263, 224286526, 336429789, 672859578, 1009289367, 2018578734]

約数ペア:

[(1, 2018578734), (2, 1009289367), (3, 672859578), (6, 336429789), (9, 224286526), (18, 112143263), (19, 106240986), (37, 54556182), (38, 53120493), (57, 35413662), (74, 27278091), (111, 18185394), (114, 17706831), (171, 11804554), (222, 9092697), (333, 6061798), (342, 5902277), (666, 3030899), (703, 2871378), (1406, 1435689), (2109, 957126), (4218, 478563), (6327, 319042), (12654, 159521)]