39990212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2671}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 74067840

約数和(自身を除く): 34077628

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 2671, 3743, 5342, 7486, 10684, 14972, 50749, 101498, 202996, 526187, 1052374, 2104748, 9997553, 19995106, 39990212]

約数ペア:

[(1, 39990212), (2, 19995106), (4, 9997553), (19, 2104748), (38, 1052374), (76, 526187), (197, 202996), (394, 101498), (788, 50749), (2671, 14972), (3743, 10684), (5342, 7486)]