19972592

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1543}}^1$

素因数の和:2360

約数の個数: 20

約数和(自身を含む): 38769840

約数和(自身を除く): 18797248

約数列:

[1, 2, 4, 8, 16, 809, 1543, 1618, 3086, 3236, 6172, 6472, 12344, 12944, 24688, 1248287, 2496574, 4993148, 9986296, 19972592]

約数ペア:

[(1, 19972592), (2, 9986296), (4, 4993148), (8, 2496574), (16, 1248287), (809, 24688), (1543, 12944), (1618, 12344), (3086, 6472), (3236, 6172)]