18471897

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 27799200

約数和(自身を除く): 9327303

約数列:

[1, 3, 9, 43, 59, 129, 177, 387, 531, 809, 2427, 2537, 7281, 7611, 22833, 34787, 47731, 104361, 143193, 313083, 429579, 2052433, 6157299, 18471897]

約数ペア:

[(1, 18471897), (3, 6157299), (9, 2052433), (43, 429579), (59, 313083), (129, 143193), (177, 104361), (387, 47731), (531, 34787), (809, 22833), (2427, 7611), (2537, 7281)]