19719550

素因数分解:

$2^1\times 5^2\times {\mathrm{457}}^1\times {\mathrm{863}}^1$

素因数の和:1332

約数の個数: 24

約数和(自身を含む): 36801216

約数和(自身を除く): 17081666

約数列:

[1, 2, 5, 10, 25, 50, 457, 863, 914, 1726, 2285, 4315, 4570, 8630, 11425, 21575, 22850, 43150, 394391, 788782, 1971955, 3943910, 9859775, 19719550]

約数ペア:

[(1, 19719550), (2, 9859775), (5, 3943910), (10, 1971955), (25, 788782), (50, 394391), (457, 43150), (863, 22850), (914, 21575), (1726, 11425), (2285, 8630), (4315, 4570)]