19528876

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 35259840

約数和(自身を除く): 15730964

約数列:

[1, 2, 4, 47, 94, 109, 188, 218, 436, 953, 1906, 3812, 5123, 10246, 20492, 44791, 89582, 103877, 179164, 207754, 415508, 4882219, 9764438, 19528876]

約数ペア:

[(1, 19528876), (2, 9764438), (4, 4882219), (47, 415508), (94, 207754), (109, 179164), (188, 103877), (218, 89582), (436, 44791), (953, 20492), (1906, 10246), (3812, 5123)]