18821163

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 25635456

約数和(自身を除く): 6814293

約数列:

[1, 3, 83, 131, 249, 393, 577, 1731, 10873, 32619, 47891, 75587, 143673, 226761, 6273721, 18821163]

約数ペア:

[(1, 18821163), (3, 6273721), (83, 226761), (131, 143673), (249, 75587), (393, 47891), (577, 32619), (1731, 10873)]