19205296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109121}}^1$

素因数の和:109140

約数の個数: 20

約数和(自身を含む): 40593384

約数和(自身を除く): 21388088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109121, 218242, 436484, 872968, 1200331, 1745936, 2400662, 4801324, 9602648, 19205296]

約数ペア:

[(1, 19205296), (2, 9602648), (4, 4801324), (8, 2400662), (11, 1745936), (16, 1200331), (22, 872968), (44, 436484), (88, 218242), (176, 109121)]