19641482

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 34774272

約数和(自身を除く): 15132790

約数列:

[1, 2, 7, 14, 53, 103, 106, 206, 257, 371, 514, 721, 742, 1442, 1799, 3598, 5459, 10918, 13621, 26471, 27242, 38213, 52942, 76426, 95347, 185297, 190694, 370594, 1402963, 2805926, 9820741, 19641482]

約数ペア:

[(1, 19641482), (2, 9820741), (7, 2805926), (14, 1402963), (53, 370594), (103, 190694), (106, 185297), (206, 95347), (257, 76426), (371, 52942), (514, 38213), (721, 27242), (742, 26471), (1442, 13621), (1799, 10918), (3598, 5459)]