18947906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3779}}^1$

素因数の和:3913

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 10989694

約数列:

[1, 2, 23, 46, 109, 218, 2507, 3779, 5014, 7558, 86917, 173834, 411911, 823822, 9473953, 18947906]

約数ペア:

[(1, 18947906), (2, 9473953), (23, 823822), (46, 411911), (109, 173834), (218, 86917), (2507, 7558), (3779, 5014)]