18971566

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1949}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 29577600

約数和(自身を除く): 10606034

約数列:

[1, 2, 31, 62, 157, 314, 1949, 3898, 4867, 9734, 60419, 120838, 305993, 611986, 9485783, 18971566]

約数ペア:

[(1, 18971566), (2, 9485783), (31, 611986), (62, 305993), (157, 120838), (314, 60419), (1949, 9734), (3898, 4867)]