19297805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9916

約数の個数: 16

約数和(自身を含む): 25588224

約数和(自身を除く): 6290419

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 9871, 49355, 167807, 227033, 839035, 1135165, 3859561, 19297805]

約数ペア:

[(1, 19297805), (5, 3859561), (17, 1135165), (23, 839035), (85, 227033), (115, 167807), (391, 49355), (1955, 9871)]