18216645

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8737}}^1$

素因数の和:8884

約数の個数: 16

約数和(自身を含む): 29359680

約数和(自身を除く): 11143035

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 8737, 26211, 43685, 131055, 1214443, 3643329, 6072215, 18216645]

約数ペア:

[(1, 18216645), (3, 6072215), (5, 3643329), (15, 1214443), (139, 131055), (417, 43685), (695, 26211), (2085, 8737)]