18164060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21121}}^1$

素因数の和:21173

約数の個数: 24

約数和(自身を含む): 39033456

約数和(自身を除く): 20869396

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 21121, 42242, 84484, 105605, 211210, 422420, 908203, 1816406, 3632812, 4541015, 9082030, 18164060]

約数ペア:

[(1, 18164060), (2, 9082030), (4, 4541015), (5, 3632812), (10, 1816406), (20, 908203), (43, 422420), (86, 211210), (172, 105605), (215, 84484), (430, 42242), (860, 21121)]