19401156

素因数分解:

$2^2\times 3^2\times {\mathrm{538921}}^1$

素因数の和:538931

約数の個数: 18

約数和(自身を含む): 49041902

約数和(自身を除く): 29640746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 538921, 1077842, 1616763, 2155684, 3233526, 4850289, 6467052, 9700578, 19401156]

約数ペア:

[(1, 19401156), (2, 9700578), (3, 6467052), (4, 4850289), (6, 3233526), (9, 2155684), (12, 1616763), (18, 1077842), (36, 538921)]