19694144

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2423}}^1$

素因数の和:2562

約数の個数: 28

約数和(自身を含む): 39404544

約数和(自身を除く): 19710400

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2423, 4064, 4846, 8128, 9692, 19384, 38768, 77536, 155072, 307721, 615442, 1230884, 2461768, 4923536, 9847072, 19694144]

約数ペア:

[(1, 19694144), (2, 9847072), (4, 4923536), (8, 2461768), (16, 1230884), (32, 615442), (64, 307721), (127, 155072), (254, 77536), (508, 38768), (1016, 19384), (2032, 9692), (2423, 8128), (4064, 4846)]