19249569

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3547}}^1$

素因数の和:3626

約数の個数: 20

約数和(自身を含む): 29192944

約数和(自身を除く): 9943375

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3547, 5427, 10641, 31923, 95769, 237649, 287307, 712947, 2138841, 6416523, 19249569]

約数ペア:

[(1, 19249569), (3, 6416523), (9, 2138841), (27, 712947), (67, 287307), (81, 237649), (201, 95769), (603, 31923), (1809, 10641), (3547, 5427)]