18412690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44909}}^1$

素因数の和:44957

約数の個数: 16

約数和(自身を含む): 33951960

約数和(自身を除く): 15539270

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 44909, 89818, 224545, 449090, 1841269, 3682538, 9206345, 18412690]

約数ペア:

[(1, 18412690), (2, 9206345), (5, 3682538), (10, 1841269), (41, 449090), (82, 224545), (205, 89818), (410, 44909)]