19387952

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6151}}^1$

素因数の和:6356

約数の個数: 20

約数和(自身を含む): 37760976

約数和(自身を除く): 18373024

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6151, 12302, 24604, 49208, 98416, 1211747, 2423494, 4846988, 9693976, 19387952]

約数ペア:

[(1, 19387952), (2, 9693976), (4, 4846988), (8, 2423494), (16, 1211747), (197, 98416), (394, 49208), (788, 24604), (1576, 12302), (3152, 6151)]