18382581

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{677}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 30461184

約数和(自身を除く): 12078603

約数列:

[1, 3, 7, 9, 21, 63, 431, 677, 1293, 2031, 3017, 3879, 4739, 6093, 9051, 14217, 27153, 42651, 291787, 875361, 2042509, 2626083, 6127527, 18382581]

約数ペア:

[(1, 18382581), (3, 6127527), (7, 2626083), (9, 2042509), (21, 875361), (63, 291787), (431, 42651), (677, 27153), (1293, 14217), (2031, 9051), (3017, 6093), (3879, 4739)]