18406728

素因数分解:

$2^3\times 3^2\times {\mathrm{255649}}^1$

素因数の和:255661

約数の個数: 24

約数和(自身を含む): 49851750

約数和(自身を除く): 31445022

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 255649, 511298, 766947, 1022596, 1533894, 2045192, 2300841, 3067788, 4601682, 6135576, 9203364, 18406728]

約数ペア:

[(1, 18406728), (2, 9203364), (3, 6135576), (4, 4601682), (6, 3067788), (8, 2300841), (9, 2045192), (12, 1533894), (18, 1022596), (24, 766947), (36, 511298), (72, 255649)]