19808074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69259}}^1$

素因数の和:69285

約数の個数: 16

約数和(自身を含む): 34907040

約数和(自身を除く): 15098966

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69259, 138518, 761849, 900367, 1523698, 1800734, 9904037, 19808074]

約数ペア:

[(1, 19808074), (2, 9904037), (11, 1800734), (13, 1523698), (22, 900367), (26, 761849), (143, 138518), (286, 69259)]