18306861

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 25790400

約数和(自身を除く): 7483539

約数列:

[1, 3, 19, 57, 397, 809, 1191, 2427, 7543, 15371, 22629, 46113, 321173, 963519, 6102287, 18306861]

約数ペア:

[(1, 18306861), (3, 6102287), (19, 963519), (57, 321173), (397, 46113), (809, 22629), (1191, 15371), (2427, 7543)]