19793220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4519}}^1$

素因数の和:4604

約数の個数: 48

約数和(自身を含む): 56192640

約数和(自身を除く): 36399420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4519, 9038, 13557, 18076, 22595, 27114, 45190, 54228, 67785, 90380, 135570, 271140, 329887, 659774, 989661, 1319548, 1649435, 1979322, 3298870, 3958644, 4948305, 6597740, 9896610, 19793220]

約数ペア:

[(1, 19793220), (2, 9896610), (3, 6597740), (4, 4948305), (5, 3958644), (6, 3298870), (10, 1979322), (12, 1649435), (15, 1319548), (20, 989661), (30, 659774), (60, 329887), (73, 271140), (146, 135570), (219, 90380), (292, 67785), (365, 54228), (438, 45190), (730, 27114), (876, 22595), (1095, 18076), (1460, 13557), (2190, 9038), (4380, 4519)]