19544020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42487}}^1$

素因数の和:42519

約数の個数: 24

約数和(自身を含む): 42827904

約数和(自身を除く): 23283884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42487, 84974, 169948, 212435, 424870, 849740, 977201, 1954402, 3908804, 4886005, 9772010, 19544020]

約数ペア:

[(1, 19544020), (2, 9772010), (4, 4886005), (5, 3908804), (10, 1954402), (20, 977201), (23, 849740), (46, 424870), (92, 212435), (115, 169948), (230, 84974), (460, 42487)]