19888833

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:3008

約数の個数: 16

約数和(自身を含む): 27656640

約数和(自身を除く): 7767807

約数列:

[1, 3, 43, 53, 129, 159, 2279, 2909, 6837, 8727, 125087, 154177, 375261, 462531, 6629611, 19888833]

約数ペア:

[(1, 19888833), (3, 6629611), (43, 462531), (53, 375261), (129, 154177), (159, 125087), (2279, 8727), (2909, 6837)]