19910286

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11173}}^1$

素因数の和:11198

約数の個数: 40

約数和(自身を含む): 48673944

約数和(自身を除く): 28763658

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11173, 22346, 33519, 67038, 100557, 122903, 201114, 245806, 301671, 368709, 603342, 737418, 905013, 1106127, 1810026, 2212254, 3318381, 6636762, 9955143, 19910286]

約数ペア:

[(1, 19910286), (2, 9955143), (3, 6636762), (6, 3318381), (9, 2212254), (11, 1810026), (18, 1106127), (22, 905013), (27, 737418), (33, 603342), (54, 368709), (66, 301671), (81, 245806), (99, 201114), (162, 122903), (198, 100557), (297, 67038), (594, 33519), (891, 22346), (1782, 11173)]