19287680

素因数分解:

$2^7\times 5^1\times {\mathrm{30137}}^1$

素因数の和:30156

約数の個数: 32

約数和(自身を含む): 46111140

約数和(自身を除く): 26823460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30137, 60274, 120548, 150685, 241096, 301370, 482192, 602740, 964384, 1205480, 1928768, 2410960, 3857536, 4821920, 9643840, 19287680]

約数ペア:

[(1, 19287680), (2, 9643840), (4, 4821920), (5, 3857536), (8, 2410960), (10, 1928768), (16, 1205480), (20, 964384), (32, 602740), (40, 482192), (64, 301370), (80, 241096), (128, 150685), (160, 120548), (320, 60274), (640, 30137)]