19863795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1515

約数の個数: 32

約数和(自身を含む): 36610560

約数和(自身を除く): 16746765

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1361, 2085, 2919, 4083, 4865, 6805, 9527, 14595, 20415, 28581, 47635, 142905, 189179, 567537, 945895, 1324253, 2837685, 3972759, 6621265, 19863795]

約数ペア:

[(1, 19863795), (3, 6621265), (5, 3972759), (7, 2837685), (15, 1324253), (21, 945895), (35, 567537), (105, 189179), (139, 142905), (417, 47635), (695, 28581), (973, 20415), (1361, 14595), (2085, 9527), (2919, 6805), (4083, 4865)]