19852155

素因数分解:

$3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{479}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15629445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 307, 479, 921, 1437, 1535, 2395, 2763, 4311, 4605, 7185, 8289, 12933, 13815, 21555, 41445, 64665, 147053, 441159, 735265, 1323477, 2205795, 3970431, 6617385, 19852155]

約数ペア:

[(1, 19852155), (3, 6617385), (5, 3970431), (9, 2205795), (15, 1323477), (27, 735265), (45, 441159), (135, 147053), (307, 64665), (479, 41445), (921, 21555), (1437, 13815), (1535, 12933), (2395, 8289), (2763, 7185), (4311, 4605)]