19270181

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 23639040

約数和(自身を除く): 4368859

約数列:

[1, 7, 29, 49, 71, 191, 203, 497, 1337, 1421, 2059, 3479, 5539, 9359, 13561, 14413, 38773, 94927, 100891, 271411, 393269, 664489, 2752883, 19270181]

約数ペア:

[(1, 19270181), (7, 2752883), (29, 664489), (49, 393269), (71, 271411), (191, 100891), (203, 94927), (497, 38773), (1337, 14413), (1421, 13561), (2059, 9359), (3479, 5539)]