20190005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8537}}^1$

素因数の和:8596

約数の個数: 16

約数和(自身を含む): 27048384

約数和(自身を除く): 6858379

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8537, 42685, 93907, 367091, 469535, 1835455, 4038001, 20190005]

約数ペア:

[(1, 20190005), (5, 4038001), (11, 1835455), (43, 469535), (55, 367091), (215, 93907), (473, 42685), (2365, 8537)]