19204955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 29127168

約数和(自身を除く): 9922213

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 385, 415, 581, 601, 913, 2905, 3005, 4207, 4565, 6391, 6611, 21035, 31955, 33055, 46277, 49883, 231385, 249415, 349181, 548713, 1745905, 2743565, 3840991, 19204955]

約数ペア:

[(1, 19204955), (5, 3840991), (7, 2743565), (11, 1745905), (35, 548713), (55, 349181), (77, 249415), (83, 231385), (385, 49883), (415, 46277), (581, 33055), (601, 31955), (913, 21035), (2905, 6611), (3005, 6391), (4207, 4565)]