19432840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69403}}^1$

素因数の和:69421

約数の個数: 32

約数和(自身を含む): 49970880

約数和(自身を除く): 30538040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69403, 138806, 277612, 347015, 485821, 555224, 694030, 971642, 1388060, 1943284, 2429105, 2776120, 3886568, 4858210, 9716420, 19432840]

約数ペア:

[(1, 19432840), (2, 9716420), (4, 4858210), (5, 3886568), (7, 2776120), (8, 2429105), (10, 1943284), (14, 1388060), (20, 971642), (28, 694030), (35, 555224), (40, 485821), (56, 347015), (70, 277612), (140, 138806), (280, 69403)]