18580856

素因数分解:

$2^3\times 7^1\times {\mathrm{331801}}^1$

素因数の和:331814

約数の個数: 16

約数和(自身を含む): 39816240

約数和(自身を除く): 21235384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331801, 663602, 1327204, 2322607, 2654408, 4645214, 9290428, 18580856]

約数ペア:

[(1, 18580856), (2, 9290428), (4, 4645214), (7, 2654408), (8, 2322607), (14, 1327204), (28, 663602), (56, 331801)]