19287901120

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1401737}}^1$

素因数の和:1401797

約数の個数: 56

約数和(自身を含む): 46997471664

約数和(自身を除く): 27709570544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 1401737, 2803474, 5606948, 7008685, 11213896, 14017370, 22427792, 28034740, 44855584, 56069480, 60274691, 89711168, 112138960, 120549382, 224277920, 241098764, 301373455, 448555840, 482197528, 602746910, 964395056, 1205493820, 1928790112, 2410987640, 3857580224, 4821975280, 9643950560, 19287901120]

約数ペア:

[(1, 19287901120), (2, 9643950560), (4, 4821975280), (5, 3857580224), (8, 2410987640), (10, 1928790112), (16, 1205493820), (20, 964395056), (32, 602746910), (40, 482197528), (43, 448555840), (64, 301373455), (80, 241098764), (86, 224277920), (160, 120549382), (172, 112138960), (215, 89711168), (320, 60274691), (344, 56069480), (430, 44855584), (688, 28034740), (860, 22427792), (1376, 14017370), (1720, 11213896), (2752, 7008685), (3440, 5606948), (6880, 2803474), (13760, 1401737)]