18729968

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1447}}^1$

素因数の和:2264

約数の個数: 20

約数和(自身を含む): 36359280

約数和(自身を除く): 17629312

約数列:

[1, 2, 4, 8, 16, 809, 1447, 1618, 2894, 3236, 5788, 6472, 11576, 12944, 23152, 1170623, 2341246, 4682492, 9364984, 18729968]

約数ペア:

[(1, 18729968), (2, 9364984), (4, 4682492), (8, 2341246), (16, 1170623), (809, 23152), (1447, 12944), (1618, 11576), (2894, 6472), (3236, 5788)]