18949048

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 36603360

約数和(自身を除く): 17654312

約数列:

[1, 2, 4, 8, 71, 73, 142, 146, 284, 292, 457, 568, 584, 914, 1828, 3656, 5183, 10366, 20732, 32447, 33361, 41464, 64894, 66722, 129788, 133444, 259576, 266888, 2368631, 4737262, 9474524, 18949048]

約数ペア:

[(1, 18949048), (2, 9474524), (4, 4737262), (8, 2368631), (71, 266888), (73, 259576), (142, 133444), (146, 129788), (284, 66722), (292, 64894), (457, 41464), (568, 33361), (584, 32447), (914, 20732), (1828, 10366), (3656, 5183)]