19976268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128053}}^1$

素因数の和:128073

約数の個数: 24

約数和(自身を含む): 50197168

約数和(自身を除く): 30220900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128053, 256106, 384159, 512212, 768318, 1536636, 1664689, 3329378, 4994067, 6658756, 9988134, 19976268]

約数ペア:

[(1, 19976268), (2, 9988134), (3, 6658756), (4, 4994067), (6, 3329378), (12, 1664689), (13, 1536636), (26, 768318), (39, 512212), (52, 384159), (78, 256106), (156, 128053)]