19952199

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 29811600

約数和(自身を除く): 9859401

約数列:

[1, 3, 9, 41, 123, 139, 369, 389, 417, 1167, 1251, 3501, 5699, 15949, 17097, 47847, 51291, 54071, 143541, 162213, 486639, 2216911, 6650733, 19952199]

約数ペア:

[(1, 19952199), (3, 6650733), (9, 2216911), (41, 486639), (123, 162213), (139, 143541), (369, 54071), (389, 51291), (417, 47847), (1167, 17097), (1251, 15949), (3501, 5699)]