18741678

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{28657}}^1$

素因数の和:28771

約数の個数: 16

約数和(自身を含む): 37828560

約数和(自身を除く): 19086882

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 28657, 57314, 85971, 171942, 3123613, 6247226, 9370839, 18741678]

約数ペア:

[(1, 18741678), (2, 9370839), (3, 6247226), (6, 3123613), (109, 171942), (218, 85971), (327, 57314), (654, 28657)]