12739696

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18517}}^1$

素因数の和:18568

約数の個数: 20

約数和(自身を含む): 25258552

約数和(自身を除く): 12518856

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18517, 37034, 74068, 148136, 296272, 796231, 1592462, 3184924, 6369848, 12739696]

約数ペア:

[(1, 12739696), (2, 6369848), (4, 3184924), (8, 1592462), (16, 796231), (43, 296272), (86, 148136), (172, 74068), (344, 37034), (688, 18517)]