19480670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 38435040

約数和(自身を除く): 18954370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 433, 818, 866, 2045, 2165, 4090, 4330, 4499, 4763, 8998, 9526, 22495, 23815, 44990, 47630, 177097, 354194, 885485, 1770970, 1948067, 3896134, 9740335, 19480670]

約数ペア:

[(1, 19480670), (2, 9740335), (5, 3896134), (10, 1948067), (11, 1770970), (22, 885485), (55, 354194), (110, 177097), (409, 47630), (433, 44990), (818, 23815), (866, 22495), (2045, 9526), (2165, 8998), (4090, 4763), (4330, 4499)]