18348020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39887}}^1$

素因数の和:39919

約数の個数: 24

約数和(自身を含む): 40207104

約数和(自身を除く): 21859084

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39887, 79774, 159548, 199435, 398870, 797740, 917401, 1834802, 3669604, 4587005, 9174010, 18348020]

約数ペア:

[(1, 18348020), (2, 9174010), (4, 4587005), (5, 3669604), (10, 1834802), (20, 917401), (23, 797740), (46, 398870), (92, 199435), (115, 159548), (230, 79774), (460, 39887)]