2018181231

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{399719}}^1$

素因数の和:399756

約数の個数: 32

約数和(自身を含む): 3453580800

約数和(自身を除く): 1435399569

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 5049, 399719, 1199157, 3597471, 4396909, 6795223, 10792413, 13190727, 20385669, 39572181, 61157007, 74747453, 118716543, 183471021, 224242359, 672727077, 2018181231]

約数ペア:

[(1, 2018181231), (3, 672727077), (9, 224242359), (11, 183471021), (17, 118716543), (27, 74747453), (33, 61157007), (51, 39572181), (99, 20385669), (153, 13190727), (187, 10792413), (297, 6795223), (459, 4396909), (561, 3597471), (1683, 1199157), (5049, 399719)]