19681242

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{66943}}^1$

素因数の和:66962

約数の個数: 24

約数和(自身を含む): 45789696

約数和(自身を除く): 26108454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 66943, 133886, 200829, 401658, 468601, 937202, 1405803, 2811606, 3280207, 6560414, 9840621, 19681242]

約数ペア:

[(1, 19681242), (2, 9840621), (3, 6560414), (6, 3280207), (7, 2811606), (14, 1405803), (21, 937202), (42, 468601), (49, 401658), (98, 200829), (147, 133886), (294, 66943)]