19821678

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{23767}}^1$

素因数の和:23911

約数の個数: 16

約数和(自身を含む): 39930240

約数和(自身を除く): 20108562

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 23767, 47534, 71301, 142602, 3303613, 6607226, 9910839, 19821678]

約数ペア:

[(1, 19821678), (2, 9910839), (3, 6607226), (6, 3303613), (139, 142602), (278, 71301), (417, 47534), (834, 23767)]