18181722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{907}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 39356352

約数和(自身を除く): 21174630

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 907, 1542, 1814, 2721, 3341, 5442, 6682, 10023, 11791, 20046, 23582, 35373, 70746, 233099, 466198, 699297, 1398594, 3030287, 6060574, 9090861, 18181722]

約数ペア:

[(1, 18181722), (2, 9090861), (3, 6060574), (6, 3030287), (13, 1398594), (26, 699297), (39, 466198), (78, 233099), (257, 70746), (514, 35373), (771, 23582), (907, 20046), (1542, 11791), (1814, 10023), (2721, 6682), (3341, 5442)]