19604223

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 29298672

約数和(自身を除く): 9694449

約数列:

[1, 3, 9, 53, 73, 159, 219, 477, 563, 657, 1689, 3869, 5067, 11607, 29839, 34821, 41099, 89517, 123297, 268551, 369891, 2178247, 6534741, 19604223]

約数ペア:

[(1, 19604223), (3, 6534741), (9, 2178247), (53, 369891), (73, 268551), (159, 123297), (219, 89517), (477, 41099), (563, 34821), (657, 29839), (1689, 11607), (3869, 5067)]