18360776

素因数分解:

$2^3\times 7^1\times {\mathrm{327871}}^1$

素因数の和:327884

約数の個数: 16

約数和(自身を含む): 39344640

約数和(自身を除く): 20983864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 327871, 655742, 1311484, 2295097, 2622968, 4590194, 9180388, 18360776]

約数ペア:

[(1, 18360776), (2, 9180388), (4, 4590194), (7, 2622968), (8, 2295097), (14, 1311484), (28, 655742), (56, 327871)]