39197456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{128939}}^1$

素因数の和:128966

約数の個数: 20

約数和(自身を含む): 79942800

約数和(自身を除く): 40745344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 128939, 257878, 515756, 1031512, 2063024, 2449841, 4899682, 9799364, 19598728, 39197456]

約数ペア:

[(1, 39197456), (2, 19598728), (4, 9799364), (8, 4899682), (16, 2449841), (19, 2063024), (38, 1031512), (76, 515756), (152, 257878), (304, 128939)]