19661552

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18341}}^1$

素因数の和:18416

約数の個数: 20

約数和(自身を含む): 38664936

約数和(自身を除く): 19003384

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18341, 36682, 73364, 146728, 293456, 1228847, 2457694, 4915388, 9830776, 19661552]

約数ペア:

[(1, 19661552), (2, 9830776), (4, 4915388), (8, 2457694), (16, 1228847), (67, 293456), (134, 146728), (268, 73364), (536, 36682), (1072, 18341)]