18816438

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{136351}}^1$

素因数の和:136379

約数の個数: 16

約数和(自身を含む): 39269376

約数和(自身を除く): 20452938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 136351, 272702, 409053, 818106, 3136073, 6272146, 9408219, 18816438]

約数ペア:

[(1, 18816438), (2, 9408219), (3, 6272146), (6, 3136073), (23, 818106), (46, 409053), (69, 272702), (138, 136351)]