18353478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21420

約数の個数: 32

約数和(自身を含む): 43126272

約数和(自身を除く): 24772794

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21391, 42782, 64173, 128346, 235301, 278083, 470602, 556166, 705903, 834249, 1411806, 1668498, 3058913, 6117826, 9176739, 18353478]

約数ペア:

[(1, 18353478), (2, 9176739), (3, 6117826), (6, 3058913), (11, 1668498), (13, 1411806), (22, 834249), (26, 705903), (33, 556166), (39, 470602), (66, 278083), (78, 235301), (143, 128346), (286, 64173), (429, 42782), (858, 21391)]