19803779

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 1485181

約数列:

[1, 41, 43, 47, 239, 1763, 1927, 2021, 9799, 10277, 11233, 82861, 421357, 460553, 483019, 19803779]

約数ペア:

[(1, 19803779), (41, 483019), (43, 460553), (47, 421357), (239, 82861), (1763, 11233), (1927, 10277), (2021, 9799)]