19676752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72341}}^1$

素因数の和:72366

約数の個数: 20

約数和(自身を含む): 40366836

約数和(自身を除く): 20690084

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72341, 144682, 289364, 578728, 1157456, 1229797, 2459594, 4919188, 9838376, 19676752]

約数ペア:

[(1, 19676752), (2, 9838376), (4, 4919188), (8, 2459594), (16, 1229797), (17, 1157456), (34, 578728), (68, 289364), (136, 144682), (272, 72341)]