18161478

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{2341}}^1$

素因数の和:2780

約数の個数: 24

約数和(自身を含む): 39458016

約数和(自身を除く): 21296538

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2341, 2586, 3879, 4682, 7023, 7758, 14046, 21069, 42138, 1008971, 2017942, 3026913, 6053826, 9080739, 18161478]

約数ペア:

[(1, 18161478), (2, 9080739), (3, 6053826), (6, 3026913), (9, 2017942), (18, 1008971), (431, 42138), (862, 21069), (1293, 14046), (2341, 7758), (2586, 7023), (3879, 4682)]