12891184

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{3613}}^1$

素因数の和:3844

約数の個数: 20

約数和(自身を含む): 25095616

約数和(自身を除く): 12204432

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 3613, 7226, 14452, 28904, 57808, 805699, 1611398, 3222796, 6445592, 12891184]

約数ペア:

[(1, 12891184), (2, 6445592), (4, 3222796), (8, 1611398), (16, 805699), (223, 57808), (446, 28904), (892, 14452), (1784, 7226), (3568, 3613)]