18628568

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2203}}^1$

素因数の和:2367

約数の個数: 32

約数和(自身を含む): 40200960

約数和(自身を除く): 21572392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2203, 4228, 4406, 8456, 8812, 15421, 17624, 30842, 61684, 123368, 332653, 665306, 1330612, 2328571, 2661224, 4657142, 9314284, 18628568]

約数ペア:

[(1, 18628568), (2, 9314284), (4, 4657142), (7, 2661224), (8, 2328571), (14, 1330612), (28, 665306), (56, 332653), (151, 123368), (302, 61684), (604, 30842), (1057, 17624), (1208, 15421), (2114, 8812), (2203, 8456), (4228, 4406)]