19867414

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2207}}^1$

素因数の和:2859

約数の個数: 16

約数和(自身を含む): 34126848

約数和(自身を除く): 14259434

約数列:

[1, 2, 7, 14, 643, 1286, 2207, 4414, 4501, 9002, 15449, 30898, 1419101, 2838202, 9933707, 19867414]

約数ペア:

[(1, 19867414), (2, 9933707), (7, 2838202), (14, 1419101), (643, 30898), (1286, 15449), (2207, 9002), (4414, 4501)]