19292840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68903}}^1$

素因数の和:68921

約数の個数: 32

約数和(自身を含む): 49610880

約数和(自身を除く): 30318040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68903, 137806, 275612, 344515, 482321, 551224, 689030, 964642, 1378060, 1929284, 2411605, 2756120, 3858568, 4823210, 9646420, 19292840]

約数ペア:

[(1, 19292840), (2, 9646420), (4, 4823210), (5, 3858568), (7, 2756120), (8, 2411605), (10, 1929284), (14, 1378060), (20, 964642), (28, 689030), (35, 551224), (40, 482321), (56, 344515), (70, 275612), (140, 137806), (280, 68903)]