18321639

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5419}}^1$

素因数の和:5459

約数の個数: 24

約数和(自身を含む): 29658240

約数和(自身を除く): 11336601

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5419, 16257, 37933, 113799, 124637, 265531, 373911, 796593, 872459, 2617377, 6107213, 18321639]

約数ペア:

[(1, 18321639), (3, 6107213), (7, 2617377), (21, 872459), (23, 796593), (49, 373911), (69, 265531), (147, 124637), (161, 113799), (483, 37933), (1127, 16257), (3381, 5419)]