18421119

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 27758640

約数和(自身を除く): 9337521

約数列:

[1, 3, 9, 29, 87, 163, 261, 433, 489, 1299, 1467, 3897, 4727, 12557, 14181, 37671, 42543, 70579, 113013, 211737, 635211, 2046791, 6140373, 18421119]

約数ペア:

[(1, 18421119), (3, 6140373), (9, 2046791), (29, 635211), (87, 211737), (163, 113013), (261, 70579), (433, 42543), (489, 37671), (1299, 14181), (1467, 12557), (3897, 4727)]