18153963

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2928

約数の個数: 20

約数和(自身を含む): 27471840

約数和(自身を除く): 9317877

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 2837, 6399, 8511, 25533, 76599, 224123, 229797, 672369, 2017107, 6051321, 18153963]

約数ペア:

[(1, 18153963), (3, 6051321), (9, 2017107), (27, 672369), (79, 229797), (81, 224123), (237, 76599), (711, 25533), (2133, 8511), (2837, 6399)]