19530189

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2053}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 32469632

約数和(自身を除く): 12939443

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 2053, 3171, 6159, 9513, 14371, 18477, 43113, 129339, 310003, 930009, 2170021, 2790027, 6510063, 19530189]

約数ペア:

[(1, 19530189), (3, 6510063), (7, 2790027), (9, 2170021), (21, 930009), (63, 310003), (151, 129339), (453, 43113), (1057, 18477), (1359, 14371), (2053, 9513), (3171, 6159)]