18873740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55511}}^1$

素因数の和:55537

約数の個数: 24

約数和(自身を含む): 41967072

約数和(自身を除く): 23093332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55511, 111022, 222044, 277555, 555110, 943687, 1110220, 1887374, 3774748, 4718435, 9436870, 18873740]

約数ペア:

[(1, 18873740), (2, 9436870), (4, 4718435), (5, 3774748), (10, 1887374), (17, 1110220), (20, 943687), (34, 555110), (68, 277555), (85, 222044), (170, 111022), (340, 55511)]