18984574

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3221}}^1$

素因数の和:3651

約数の個数: 16

約数和(自身を含む): 32632416

約数和(自身を除く): 13647842

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3221, 5894, 6442, 22547, 45094, 1356041, 2712082, 9492287, 18984574]

約数ペア:

[(1, 18984574), (2, 9492287), (7, 2712082), (14, 1356041), (421, 45094), (842, 22547), (2947, 6442), (3221, 5894)]