18184120

素因数分解:

$2^3\times 5^1\times {\mathrm{454603}}^1$

素因数の和:454614

約数の個数: 16

約数和(自身を含む): 40914360

約数和(自身を除く): 22730240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 454603, 909206, 1818412, 2273015, 3636824, 4546030, 9092060, 18184120]

約数ペア:

[(1, 18184120), (2, 9092060), (4, 4546030), (5, 3636824), (8, 2273015), (10, 1818412), (20, 909206), (40, 454603)]