18919286

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4999

約数の個数: 16

約数和(自身を含む): 29695680

約数和(自身を除く): 10776394

約数列:

[1, 2, 41, 47, 82, 94, 1927, 3854, 4909, 9818, 201269, 230723, 402538, 461446, 9459643, 18919286]

約数ペア:

[(1, 18919286), (2, 9459643), (41, 461446), (47, 402538), (82, 230723), (94, 201269), (1927, 9818), (3854, 4909)]