18805019

素因数分解:

${\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 20040384

約数和(自身を除く): 1235365

約数列:

[1, 41, 61, 73, 103, 2501, 2993, 4223, 4453, 6283, 7519, 182573, 257603, 308279, 458659, 18805019]

約数ペア:

[(1, 18805019), (41, 458659), (61, 308279), (73, 257603), (103, 182573), (2501, 7519), (2993, 6283), (4223, 4453)]