18879560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67427}}^1$

素因数の和:67445

約数の個数: 32

約数和(自身を含む): 48548160

約数和(自身を除く): 29668600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67427, 134854, 269708, 337135, 471989, 539416, 674270, 943978, 1348540, 1887956, 2359945, 2697080, 3775912, 4719890, 9439780, 18879560]

約数ペア:

[(1, 18879560), (2, 9439780), (4, 4719890), (5, 3775912), (7, 2697080), (8, 2359945), (10, 1887956), (14, 1348540), (20, 943978), (28, 674270), (35, 539416), (40, 471989), (56, 337135), (70, 269708), (140, 134854), (280, 67427)]