19806171

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13371429

約数列:

[1, 3, 7, 11, 21, 33, 77, 179, 231, 479, 537, 1253, 1437, 1969, 3353, 3759, 5269, 5907, 10059, 13783, 15807, 36883, 41349, 85741, 110649, 257223, 600187, 943151, 1800561, 2829453, 6602057, 19806171]

約数ペア:

[(1, 19806171), (3, 6602057), (7, 2829453), (11, 1800561), (21, 943151), (33, 600187), (77, 257223), (179, 110649), (231, 85741), (479, 41349), (537, 36883), (1253, 15807), (1437, 13783), (1969, 10059), (3353, 5907), (3759, 5269)]