18551796020

素因数分解:

$2^2\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{429241}}^1$

素因数の和:431411

約数の個数: 24

約数和(自身を含む): 38976890568

約数和(自身を除く): 20425094548

約数列:

[1, 2, 4, 5, 10, 20, 2161, 4322, 8644, 10805, 21610, 43220, 429241, 858482, 1716964, 2146205, 4292410, 8584820, 927589801, 1855179602, 3710359204, 4637949005, 9275898010, 18551796020]

約数ペア:

[(1, 18551796020), (2, 9275898010), (4, 4637949005), (5, 3710359204), (10, 1855179602), (20, 927589801), (2161, 8584820), (4322, 4292410), (8644, 2146205), (10805, 1716964), (21610, 858482), (43220, 429241)]