18994808

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8273}}^1$

素因数の和:8327

約数の個数: 32

約数和(自身を含む): 41700960

約数和(自身を除く): 22706152

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8273, 16546, 33092, 57911, 66184, 115822, 231644, 339193, 463288, 678386, 1356772, 2374351, 2713544, 4748702, 9497404, 18994808]

約数ペア:

[(1, 18994808), (2, 9497404), (4, 4748702), (7, 2713544), (8, 2374351), (14, 1356772), (28, 678386), (41, 463288), (56, 339193), (82, 231644), (164, 115822), (287, 66184), (328, 57911), (574, 33092), (1148, 16546), (2296, 8273)]