19439560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69427}}^1$

素因数の和:69445

約数の個数: 32

約数和(自身を含む): 49988160

約数和(自身を除く): 30548600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69427, 138854, 277708, 347135, 485989, 555416, 694270, 971978, 1388540, 1943956, 2429945, 2777080, 3887912, 4859890, 9719780, 19439560]

約数ペア:

[(1, 19439560), (2, 9719780), (4, 4859890), (5, 3887912), (7, 2777080), (8, 2429945), (10, 1943956), (14, 1388540), (20, 971978), (28, 694270), (35, 555416), (40, 485989), (56, 347135), (70, 277708), (140, 138854), (280, 69427)]