16920486

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 40452048

約数和(自身を除く): 23531562

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 97, 99, 194, 198, 291, 582, 873, 881, 1067, 1746, 1762, 2134, 2643, 3201, 5286, 6402, 7929, 9603, 9691, 15858, 19206, 19382, 29073, 58146, 85457, 87219, 170914, 174438, 256371, 512742, 769113, 940027, 1538226, 1880054, 2820081, 5640162, 8460243, 16920486]

約数ペア:

[(1, 16920486), (2, 8460243), (3, 5640162), (6, 2820081), (9, 1880054), (11, 1538226), (18, 940027), (22, 769113), (33, 512742), (66, 256371), (97, 174438), (99, 170914), (194, 87219), (198, 85457), (291, 58146), (582, 29073), (873, 19382), (881, 19206), (1067, 15858), (1746, 9691), (1762, 9603), (2134, 7929), (2643, 6402), (3201, 5286)]