18402724

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 32984000

約数和(自身を除く): 14581276

約数列:

[1, 2, 4, 61, 122, 199, 244, 379, 398, 758, 796, 1516, 12139, 23119, 24278, 46238, 48556, 75421, 92476, 150842, 301684, 4600681, 9201362, 18402724]

約数ペア:

[(1, 18402724), (2, 9201362), (4, 4600681), (61, 301684), (122, 150842), (199, 92476), (244, 75421), (379, 48556), (398, 46238), (758, 24278), (796, 23119), (1516, 12139)]