18988004

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3041}}^1$

素因数の和:3275

約数の個数: 24

約数和(自身を含む): 38158848

約数和(自身を除く): 19170844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3041, 3122, 6082, 6244, 12164, 21287, 42574, 85148, 678143, 1356286, 2712572, 4747001, 9494002, 18988004]

約数ペア:

[(1, 18988004), (2, 9494002), (4, 4747001), (7, 2712572), (14, 1356286), (28, 678143), (223, 85148), (446, 42574), (892, 21287), (1561, 12164), (3041, 6244), (3122, 6082)]