19678372

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1093}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 39454016

約数和(自身を除く): 19775644

約数列:

[1, 2, 4, 7, 14, 28, 643, 1093, 1286, 2186, 2572, 4372, 4501, 7651, 9002, 15302, 18004, 30604, 702799, 1405598, 2811196, 4919593, 9839186, 19678372]

約数ペア:

[(1, 19678372), (2, 9839186), (4, 4919593), (7, 2811196), (14, 1405598), (28, 702799), (643, 30604), (1093, 18004), (1286, 15302), (2186, 9002), (2572, 7651), (4372, 4501)]