19378865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{761}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 25456896

約数和(自身を除く): 6078031

約数列:

[1, 5, 11, 55, 463, 761, 2315, 3805, 5093, 8371, 25465, 41855, 352343, 1761715, 3875773, 19378865]

約数ペア:

[(1, 19378865), (5, 3875773), (11, 1761715), (55, 352343), (463, 41855), (761, 25465), (2315, 8371), (3805, 5093)]