19781596

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5501}}^1$

素因数の和:5565

約数の個数: 24

約数和(自身を含む): 36973440

約数和(自身を除く): 17191844

約数列:

[1, 2, 4, 29, 31, 58, 62, 116, 124, 899, 1798, 3596, 5501, 11002, 22004, 159529, 170531, 319058, 341062, 638116, 682124, 4945399, 9890798, 19781596]

約数ペア:

[(1, 19781596), (2, 9890798), (4, 4945399), (29, 682124), (31, 638116), (58, 341062), (62, 319058), (116, 170531), (124, 159529), (899, 22004), (1798, 11002), (3596, 5501)]