18420752

素因数分解:

$2^4\times 7^1\times {\mathrm{164471}}^1$

素因数の和:164486

約数の個数: 20

約数和(自身を含む): 40789056

約数和(自身を除く): 22368304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 164471, 328942, 657884, 1151297, 1315768, 2302594, 2631536, 4605188, 9210376, 18420752]

約数ペア:

[(1, 18420752), (2, 9210376), (4, 4605188), (7, 2631536), (8, 2302594), (14, 1315768), (16, 1151297), (28, 657884), (56, 328942), (112, 164471)]