18921104

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5303}}^1$

素因数の和:5534

約数の個数: 20

約数和(自身を含む): 36830976

約数和(自身を除く): 17909872

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5303, 10606, 21212, 42424, 84848, 1182569, 2365138, 4730276, 9460552, 18921104]

約数ペア:

[(1, 18921104), (2, 9460552), (4, 4730276), (8, 2365138), (16, 1182569), (223, 84848), (446, 42424), (892, 21212), (1784, 10606), (3568, 5303)]