18852440

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{937}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 42547680

約数和(自身を除く): 23695240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 937, 1006, 1874, 2012, 2515, 3748, 4024, 4685, 5030, 7496, 9370, 10060, 18740, 20120, 37480, 471311, 942622, 1885244, 2356555, 3770488, 4713110, 9426220, 18852440]

約数ペア:

[(1, 18852440), (2, 9426220), (4, 4713110), (5, 3770488), (8, 2356555), (10, 1885244), (20, 942622), (40, 471311), (503, 37480), (937, 20120), (1006, 18740), (1874, 10060), (2012, 9370), (2515, 7496), (3748, 5030), (4024, 4685)]