19908896

素因数分解:

$2^5\times 7^2\times {\mathrm{12697}}^1$

素因数の和:12721

約数の個数: 36

約数和(自身を含む): 45598518

約数和(自身を除く): 25689622

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12697, 25394, 50788, 88879, 101576, 177758, 203152, 355516, 406304, 622153, 711032, 1244306, 1422064, 2488612, 2844128, 4977224, 9954448, 19908896]

約数ペア:

[(1, 19908896), (2, 9954448), (4, 4977224), (7, 2844128), (8, 2488612), (14, 1422064), (16, 1244306), (28, 711032), (32, 622153), (49, 406304), (56, 355516), (98, 203152), (112, 177758), (196, 101576), (224, 88879), (392, 50788), (784, 25394), (1568, 12697)]