18640454

素因数分解:

$2^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{6971}}^1$

素因数の和:7171

約数の個数: 16

約数和(自身を含む): 32126976

約数和(自身を除く): 13486522

約数列:

[1, 2, 7, 14, 191, 382, 1337, 2674, 6971, 13942, 48797, 97594, 1331461, 2662922, 9320227, 18640454]

約数ペア:

[(1, 18640454), (2, 9320227), (7, 2662922), (14, 1331461), (191, 97594), (382, 48797), (1337, 13942), (2674, 6971)]