18444910887

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{245177}}^1$

素因数の和:245839

約数の個数: 24

約数和(自身を含む): 28736823024

約数和(自身を除く): 10291912137

約数列:

[1, 3, 9, 13, 39, 117, 643, 1929, 5787, 8359, 25077, 75231, 245177, 735531, 2206593, 3187301, 9561903, 28685709, 157648811, 472946433, 1418839299, 2049434543, 6148303629, 18444910887]

約数ペア:

[(1, 18444910887), (3, 6148303629), (9, 2049434543), (13, 1418839299), (39, 472946433), (117, 157648811), (643, 28685709), (1929, 9561903), (5787, 3187301), (8359, 2206593), (25077, 735531), (75231, 245177)]