18421144

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1559}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 39686400

約数和(自身を除く): 21265256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1559, 1688, 2954, 3118, 5908, 6236, 10913, 11816, 12472, 21826, 43652, 87304, 328949, 657898, 1315796, 2302643, 2631592, 4605286, 9210572, 18421144]

約数ペア:

[(1, 18421144), (2, 9210572), (4, 4605286), (7, 2631592), (8, 2302643), (14, 1315796), (28, 657898), (56, 328949), (211, 87304), (422, 43652), (844, 21826), (1477, 12472), (1559, 11816), (1688, 10913), (2954, 6236), (3118, 5908)]