16980854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 29811456

約数和(自身を除く): 12830602

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 907, 1702, 1814, 9361, 9977, 18722, 19954, 20861, 33559, 41722, 67118, 229471, 369149, 458942, 738298, 771857, 1543714, 8490427, 16980854]

約数ペア:

[(1, 16980854), (2, 8490427), (11, 1543714), (22, 771857), (23, 738298), (37, 458942), (46, 369149), (74, 229471), (253, 67118), (407, 41722), (506, 33559), (814, 20861), (851, 19954), (907, 18722), (1702, 9977), (1814, 9361)]