18426722

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1327}}^1$

素因数の和:1513

約数の個数: 16

約数和(自身を含む): 28397952

約数和(自身を除く): 9971230

約数列:

[1, 2, 53, 106, 131, 262, 1327, 2654, 6943, 13886, 70331, 140662, 173837, 347674, 9213361, 18426722]

約数ペア:

[(1, 18426722), (2, 9213361), (53, 347674), (106, 173837), (131, 140662), (262, 70331), (1327, 13886), (2654, 6943)]