12681056

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{20857}}^1$

素因数の和:20886

約数の個数: 24

約数和(自身を含む): 26281080

約数和(自身を除く): 13600024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 20857, 41714, 83428, 166856, 333712, 396283, 667424, 792566, 1585132, 3170264, 6340528, 12681056]

約数ペア:

[(1, 12681056), (2, 6340528), (4, 3170264), (8, 1585132), (16, 792566), (19, 667424), (32, 396283), (38, 333712), (76, 166856), (152, 83428), (304, 41714), (608, 20857)]