19768606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 35128800

約数和(自身を除く): 15360194

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 409, 818, 1859, 2197, 3718, 4394, 4499, 5317, 8998, 10634, 24167, 48334, 58487, 69121, 116974, 138242, 760331, 898573, 1520662, 1797146, 9884303, 19768606]

約数ペア:

[(1, 19768606), (2, 9884303), (11, 1797146), (13, 1520662), (22, 898573), (26, 760331), (143, 138242), (169, 116974), (286, 69121), (338, 58487), (409, 48334), (818, 24167), (1859, 10634), (2197, 8998), (3718, 5317), (4394, 4499)]