18813774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4349}}^1$

素因数の和:4464

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 24616626

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4349, 8698, 13047, 26094, 30443, 60886, 91329, 182658, 447947, 895894, 1343841, 2687682, 3135629, 6271258, 9406887, 18813774]

約数ペア:

[(1, 18813774), (2, 9406887), (3, 6271258), (6, 3135629), (7, 2687682), (14, 1343841), (21, 895894), (42, 447947), (103, 182658), (206, 91329), (309, 60886), (618, 30443), (721, 26094), (1442, 13047), (2163, 8698), (4326, 4349)]