18526527

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 27555840

約数和(自身を除く): 9029313

約数列:

[1, 3, 9, 71, 79, 213, 237, 367, 639, 711, 1101, 3303, 5609, 16827, 26057, 28993, 50481, 78171, 86979, 234513, 260937, 2058503, 6175509, 18526527]

約数ペア:

[(1, 18526527), (3, 6175509), (9, 2058503), (71, 260937), (79, 234513), (213, 86979), (237, 78171), (367, 50481), (639, 28993), (711, 26057), (1101, 16827), (3303, 5609)]