18560380

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5557}}^1$

素因数の和:5733

約数の個数: 24

約数和(自身を含む): 39217248

約数和(自身を除く): 20656868

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5557, 11114, 22228, 27785, 55570, 111140, 928019, 1856038, 3712076, 4640095, 9280190, 18560380]

約数ペア:

[(1, 18560380), (2, 9280190), (4, 4640095), (5, 3712076), (10, 1856038), (20, 928019), (167, 111140), (334, 55570), (668, 27785), (835, 22228), (1670, 11114), (3340, 5557)]