38431984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{126421}}^1$

素因数の和:126448

約数の個数: 20

約数和(自身を含む): 78381640

約数和(自身を除く): 39949656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 126421, 252842, 505684, 1011368, 2022736, 2401999, 4803998, 9607996, 19215992, 38431984]

約数ペア:

[(1, 38431984), (2, 19215992), (4, 9607996), (8, 4803998), (16, 2401999), (19, 2022736), (38, 1011368), (76, 505684), (152, 252842), (304, 126421)]