18989104

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{2437}}^1$

素因数の和:2932

約数の個数: 20

約数和(自身を含む): 36882064

約数和(自身を除く): 17892960

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 2437, 3896, 4874, 7792, 9748, 19496, 38992, 1186819, 2373638, 4747276, 9494552, 18989104]

約数ペア:

[(1, 18989104), (2, 9494552), (4, 4747276), (8, 2373638), (16, 1186819), (487, 38992), (974, 19496), (1948, 9748), (2437, 7792), (3896, 4874)]