18953990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4657}}^1$

素因数の和:4712

約数の個数: 32

約数和(自身を含む): 38232864

約数和(自身を除く): 19278874

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4657, 9314, 23285, 46570, 51227, 102454, 172309, 256135, 344618, 512270, 861545, 1723090, 1895399, 3790798, 9476995, 18953990]

約数ペア:

[(1, 18953990), (2, 9476995), (5, 3790798), (10, 1895399), (11, 1723090), (22, 861545), (37, 512270), (55, 344618), (74, 256135), (110, 172309), (185, 102454), (370, 51227), (407, 46570), (814, 23285), (2035, 9314), (4070, 4657)]