18851308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16421}}^1$

素因数の和:16473

約数の個数: 24

約数和(自身を含む): 38624544

約数和(自身を除く): 19773236

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16421, 32842, 65684, 114947, 229894, 459788, 673261, 1346522, 2693044, 4712827, 9425654, 18851308]

約数ペア:

[(1, 18851308), (2, 9425654), (4, 4712827), (7, 2693044), (14, 1346522), (28, 673261), (41, 459788), (82, 229894), (164, 114947), (287, 65684), (574, 32842), (1148, 16421)]