19164789

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3318

約数の個数: 32

約数和(自身を含む): 33505280

約数和(自身を除く): 14340491

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3271, 5859, 9813, 22897, 29439, 68691, 88317, 101401, 206073, 304203, 618219, 709807, 912609, 2129421, 2737827, 6388263, 19164789]

約数ペア:

[(1, 19164789), (3, 6388263), (7, 2737827), (9, 2129421), (21, 912609), (27, 709807), (31, 618219), (63, 304203), (93, 206073), (189, 101401), (217, 88317), (279, 68691), (651, 29439), (837, 22897), (1953, 9813), (3271, 5859)]