19527080

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{937}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 44067240

約数和(自身を除く): 24540160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 937, 1042, 1874, 2084, 2605, 3748, 4168, 4685, 5210, 7496, 9370, 10420, 18740, 20840, 37480, 488177, 976354, 1952708, 2440885, 3905416, 4881770, 9763540, 19527080]

約数ペア:

[(1, 19527080), (2, 9763540), (4, 4881770), (5, 3905416), (8, 2440885), (10, 1952708), (20, 976354), (40, 488177), (521, 37480), (937, 20840), (1042, 18740), (1874, 10420), (2084, 9370), (2605, 7496), (3748, 5210), (4168, 4685)]