1921865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 2552256

約数和(自身を除く): 630391

約数列:

[1, 5, 11, 55, 83, 415, 421, 913, 2105, 4565, 4631, 23155, 34943, 174715, 384373, 1921865]

約数ペア:

[(1, 1921865), (5, 384373), (11, 174715), (55, 34943), (83, 23155), (415, 4631), (421, 4565), (913, 2105)]