19847811

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2903}}^1$

素因数の和:3002

約数の個数: 16

約数和(自身を含む): 27599616

約数和(自身を除く): 7751805

約数列:

[1, 3, 43, 53, 129, 159, 2279, 2903, 6837, 8709, 124829, 153859, 374487, 461577, 6615937, 19847811]

約数ペア:

[(1, 19847811), (3, 6615937), (43, 461577), (53, 374487), (129, 153859), (159, 124829), (2279, 8709), (2903, 6837)]