18213748

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2917}}^1$

素因数の和:3151

約数の個数: 24

約数和(自身を含む): 36603392

約数和(自身を除く): 18389644

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 2917, 3122, 5834, 6244, 11668, 20419, 40838, 81676, 650491, 1300982, 2601964, 4553437, 9106874, 18213748]

約数ペア:

[(1, 18213748), (2, 9106874), (4, 4553437), (7, 2601964), (14, 1300982), (28, 650491), (223, 81676), (446, 40838), (892, 20419), (1561, 11668), (2917, 6244), (3122, 5834)]