19228270

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4943}}^1$

素因数の和:5339

約数の個数: 16

約数和(自身を含む): 34706880

約数和(自身を除く): 15478610

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 4943, 9886, 24715, 49430, 1922827, 3845654, 9614135, 19228270]

約数ペア:

[(1, 19228270), (2, 9614135), (5, 3845654), (10, 1922827), (389, 49430), (778, 24715), (1945, 9886), (3890, 4943)]