18708021

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{941}}^1$

素因数の和:1041

約数の個数: 18

約数和(自身を含む): 27639222

約数和(自身を除く): 8931201

約数列:

[1, 3, 9, 47, 141, 423, 941, 2209, 2823, 6627, 8469, 19881, 44227, 132681, 398043, 2078669, 6236007, 18708021]

約数ペア:

[(1, 18708021), (3, 6236007), (9, 2078669), (47, 398043), (141, 132681), (423, 44227), (941, 19881), (2209, 8469), (2823, 6627)]