12895184

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18743}}^1$

素因数の和:18794

約数の個数: 20

約数和(自身を含む): 25566816

約数和(自身を除く): 12671632

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18743, 37486, 74972, 149944, 299888, 805949, 1611898, 3223796, 6447592, 12895184]

約数ペア:

[(1, 12895184), (2, 6447592), (4, 3223796), (8, 1611898), (16, 805949), (43, 299888), (86, 149944), (172, 74972), (344, 37486), (688, 18743)]