19957430

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53939}}^1$

素因数の和:53983

約数の個数: 16

約数和(自身を含む): 36894960

約数和(自身を除く): 16937530

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53939, 107878, 269695, 539390, 1995743, 3991486, 9978715, 19957430]

約数ペア:

[(1, 19957430), (2, 9978715), (5, 3991486), (10, 1995743), (37, 539390), (74, 269695), (185, 107878), (370, 53939)]