18219745

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1021}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 22663872

約数和(自身を除く): 4444127

約数列:

[1, 5, 43, 83, 215, 415, 1021, 3569, 5105, 17845, 43903, 84743, 219515, 423715, 3643949, 18219745]

約数ペア:

[(1, 18219745), (5, 3643949), (43, 423715), (83, 219515), (215, 84743), (415, 43903), (1021, 17845), (3569, 5105)]