17989974

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{13691}}^1$

素因数の和:13772

約数の個数: 24

約数和(自身を含む): 39515112

約数和(自身を除く): 21525138

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 13691, 27382, 41073, 82146, 123219, 246438, 999443, 1998886, 2998329, 5996658, 8994987, 17989974]

約数ペア:

[(1, 17989974), (2, 8994987), (3, 5996658), (6, 2998329), (9, 1998886), (18, 999443), (73, 246438), (146, 123219), (219, 82146), (438, 41073), (657, 27382), (1314, 13691)]