18951691

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 21415680

約数和(自身を除く): 2463989

約数列:

[1, 11, 43, 103, 389, 473, 1133, 4279, 4429, 16727, 40067, 48719, 183997, 440737, 1722881, 18951691]

約数ペア:

[(1, 18951691), (11, 1722881), (43, 440737), (103, 183997), (389, 48719), (473, 40067), (1133, 16727), (4279, 4429)]