18819138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241271}}^1$

素因数の和:241289

約数の個数: 16

約数和(自身を含む): 40533696

約数和(自身を除く): 21714558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 241271, 482542, 723813, 1447626, 3136523, 6273046, 9409569, 18819138]

約数ペア:

[(1, 18819138), (2, 9409569), (3, 6273046), (6, 3136523), (13, 1447626), (26, 723813), (39, 482542), (78, 241271)]