19784263

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 21621600

約数和(自身を除く): 1837337

約数列:

[1, 19, 41, 109, 233, 779, 2071, 4427, 4469, 9553, 25397, 84911, 181507, 482543, 1041277, 19784263]

約数ペア:

[(1, 19784263), (19, 1041277), (41, 482543), (109, 181507), (233, 84911), (779, 25397), (2071, 9553), (4427, 4469)]