18661146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 42782208

約数和(自身を除く): 24121062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 691, 1286, 1382, 1929, 2073, 3858, 4146, 4501, 4837, 9002, 9674, 13503, 14511, 27006, 29022, 444313, 888626, 1332939, 2665878, 3110191, 6220382, 9330573, 18661146]

約数ペア:

[(1, 18661146), (2, 9330573), (3, 6220382), (6, 3110191), (7, 2665878), (14, 1332939), (21, 888626), (42, 444313), (643, 29022), (691, 27006), (1286, 14511), (1382, 13503), (1929, 9674), (2073, 9002), (3858, 4837), (4146, 4501)]