18443860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8161}}^1$

素因数の和:8283

約数の個数: 24

約数和(自身を含む): 39079656

約数和(自身を除く): 20635796

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8161, 16322, 32644, 40805, 81610, 163220, 922193, 1844386, 3688772, 4610965, 9221930, 18443860]

約数ペア:

[(1, 18443860), (2, 9221930), (4, 4610965), (5, 3688772), (10, 1844386), (20, 922193), (113, 163220), (226, 81610), (452, 40805), (565, 32644), (1130, 16322), (2260, 8161)]