19489330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{643}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 40247424

約数和(自身を除く): 20758094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 433, 643, 866, 1286, 2165, 3031, 3215, 4330, 4501, 6062, 6430, 9002, 15155, 22505, 30310, 45010, 278419, 556838, 1392095, 1948933, 2784190, 3897866, 9744665, 19489330]

約数ペア:

[(1, 19489330), (2, 9744665), (5, 3897866), (7, 2784190), (10, 1948933), (14, 1392095), (35, 556838), (70, 278419), (433, 45010), (643, 30310), (866, 22505), (1286, 15155), (2165, 9002), (3031, 6430), (3215, 6062), (4330, 4501)]