19786768

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{2671}}^1$

素因数の和:3142

約数の個数: 20

約数和(自身を含む): 38434048

約数和(自身を除く): 18647280

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 2671, 3704, 5342, 7408, 10684, 21368, 42736, 1236673, 2473346, 4946692, 9893384, 19786768]

約数ペア:

[(1, 19786768), (2, 9893384), (4, 4946692), (8, 2473346), (16, 1236673), (463, 42736), (926, 21368), (1852, 10684), (2671, 7408), (3704, 5342)]