19804008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{117881}}^1$

素因数の和:117897

約数の個数: 32

約数和(自身を含む): 56583360

約数和(自身を除く): 36779352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 117881, 235762, 353643, 471524, 707286, 825167, 943048, 1414572, 1650334, 2475501, 2829144, 3300668, 4951002, 6601336, 9902004, 19804008]

約数ペア:

[(1, 19804008), (2, 9902004), (3, 6601336), (4, 4951002), (6, 3300668), (7, 2829144), (8, 2475501), (12, 1650334), (14, 1414572), (21, 943048), (24, 825167), (28, 707286), (42, 471524), (56, 353643), (84, 235762), (168, 117881)]