19440865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 24696576

約数和(自身を除く): 5255711

約数列:

[1, 5, 23, 71, 115, 355, 1633, 2381, 8165, 11905, 54763, 169051, 273815, 845255, 3888173, 19440865]

約数ペア:

[(1, 19440865), (5, 3888173), (23, 845255), (71, 273815), (115, 169051), (355, 54763), (1633, 11905), (2381, 8165)]