19421244

素因数分解:

$2^2\times 3^2\times {\mathrm{539479}}^1$

素因数の和:539489

約数の個数: 18

約数和(自身を含む): 49092680

約数和(自身を除く): 29671436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 539479, 1078958, 1618437, 2157916, 3236874, 4855311, 6473748, 9710622, 19421244]

約数ペア:

[(1, 19421244), (2, 9710622), (3, 6473748), (4, 4855311), (6, 3236874), (9, 2157916), (12, 1618437), (18, 1078958), (36, 539479)]