19989256

素因数分解:

$2^3\times 7^2\times {\mathrm{50993}}^1$

素因数の和:51013

約数の個数: 24

約数和(自身を含む): 43599870

約数和(自身を除く): 23610614

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 50993, 101986, 203972, 356951, 407944, 713902, 1427804, 2498657, 2855608, 4997314, 9994628, 19989256]

約数ペア:

[(1, 19989256), (2, 9994628), (4, 4997314), (7, 2855608), (8, 2498657), (14, 1427804), (28, 713902), (49, 407944), (56, 356951), (98, 203972), (196, 101986), (392, 50993)]