19906541

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 1866259

約数列:

[1, 17, 59, 89, 223, 1003, 1513, 3791, 5251, 13157, 19847, 89267, 223669, 337399, 1170973, 19906541]

約数ペア:

[(1, 19906541), (17, 1170973), (59, 337399), (89, 223669), (223, 89267), (1003, 19847), (1513, 13157), (3791, 5251)]