19811714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1231}}^1$

素因数の和:1865

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 12269566

約数列:

[1, 2, 13, 26, 619, 1231, 1238, 2462, 8047, 16003, 16094, 32006, 761989, 1523978, 9905857, 19811714]

約数ペア:

[(1, 19811714), (2, 9905857), (13, 1523978), (26, 761989), (619, 32006), (1231, 16094), (1238, 16003), (2462, 8047)]