19638795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 15487989

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 2903, 6765, 8709, 14515, 31933, 43545, 95799, 119023, 159665, 357069, 478995, 595115, 1309253, 1785345, 3927759, 6546265, 19638795]

約数ペア:

[(1, 19638795), (3, 6546265), (5, 3927759), (11, 1785345), (15, 1309253), (33, 595115), (41, 478995), (55, 357069), (123, 159665), (165, 119023), (205, 95799), (451, 43545), (615, 31933), (1353, 14515), (2255, 8709), (2903, 6765)]