18821241

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{733}}^1$

素因数の和:1062

約数の個数: 20

約数和(自身を含む): 28242852

約数和(自身を除く): 9421611

約数列:

[1, 3, 9, 27, 81, 317, 733, 951, 2199, 2853, 6597, 8559, 19791, 25677, 59373, 232361, 697083, 2091249, 6273747, 18821241]

約数ペア:

[(1, 18821241), (3, 6273747), (9, 2091249), (27, 697083), (81, 232361), (317, 59373), (733, 25677), (951, 19791), (2199, 8559), (2853, 6597)]