19210268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 42411264

約数和(自身を除く): 23200996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 643, 679, 1067, 1286, 1358, 2134, 2572, 2716, 4268, 4501, 7073, 7469, 9002, 14146, 14938, 18004, 28292, 29876, 49511, 62371, 99022, 124742, 198044, 249484, 436597, 686081, 873194, 1372162, 1746388, 2744324, 4802567, 9605134, 19210268]

約数ペア:

[(1, 19210268), (2, 9605134), (4, 4802567), (7, 2744324), (11, 1746388), (14, 1372162), (22, 873194), (28, 686081), (44, 436597), (77, 249484), (97, 198044), (154, 124742), (194, 99022), (308, 62371), (388, 49511), (643, 29876), (679, 28292), (1067, 18004), (1286, 14938), (1358, 14146), (2134, 9002), (2572, 7469), (2716, 7073), (4268, 4501)]