18604621

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 21901824

約数和(自身を除く): 3297203

約数列:

[1, 7, 47, 193, 293, 329, 1351, 2051, 9071, 13771, 56549, 63497, 96397, 395843, 2657803, 18604621]

約数ペア:

[(1, 18604621), (7, 2657803), (47, 395843), (193, 96397), (293, 63497), (329, 56549), (1351, 13771), (2051, 9071)]