16420883

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 17952000

約数和(自身を除く): 1531117

約数列:

[1, 19, 43, 101, 199, 817, 1919, 3781, 4343, 8557, 20099, 82517, 162583, 381881, 864257, 16420883]

約数ペア:

[(1, 16420883), (19, 864257), (43, 381881), (101, 162583), (199, 82517), (817, 20099), (1919, 8557), (3781, 4343)]