19657216

素因数分解:

$2^9\times {\mathrm{38393}}^1$

素因数の和:38411

約数の個数: 20

約数和(自身を含む): 39277062

約数和(自身を除く): 19619846

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38393, 76786, 153572, 307144, 614288, 1228576, 2457152, 4914304, 9828608, 19657216]

約数ペア:

[(1, 19657216), (2, 9828608), (4, 4914304), (8, 2457152), (16, 1228576), (32, 614288), (64, 307144), (128, 153572), (256, 76786), (512, 38393)]