19789280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17669}}^1$

素因数の和:17691

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 33644800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17669, 35338, 70676, 88345, 123683, 141352, 176690, 247366, 282704, 353380, 494732, 565408, 618415, 706760, 989464, 1236830, 1413520, 1978928, 2473660, 2827040, 3957856, 4947320, 9894640, 19789280]

約数ペア:

[(1, 19789280), (2, 9894640), (4, 4947320), (5, 3957856), (7, 2827040), (8, 2473660), (10, 1978928), (14, 1413520), (16, 1236830), (20, 989464), (28, 706760), (32, 618415), (35, 565408), (40, 494732), (56, 353380), (70, 282704), (80, 247366), (112, 176690), (140, 141352), (160, 123683), (224, 88345), (280, 70676), (560, 35338), (1120, 17669)]