19678694

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1452

約数の個数: 24

約数和(自身を含む): 34583040

約数和(自身を除く): 14904346

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1279, 2198, 2558, 7693, 8953, 15386, 17906, 62671, 125342, 200803, 401606, 1405621, 2811242, 9839347, 19678694]

約数ペア:

[(1, 19678694), (2, 9839347), (7, 2811242), (14, 1405621), (49, 401606), (98, 200803), (157, 125342), (314, 62671), (1099, 17906), (1279, 15386), (2198, 8953), (2558, 7693)]