17913140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127951}}^1$

素因数の和:127967

約数の個数: 24

約数和(自身を含む): 42991872

約数和(自身を除く): 25078732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127951, 255902, 511804, 639755, 895657, 1279510, 1791314, 2559020, 3582628, 4478285, 8956570, 17913140]

約数ペア:

[(1, 17913140), (2, 8956570), (4, 4478285), (5, 3582628), (7, 2559020), (10, 1791314), (14, 1279510), (20, 895657), (28, 639755), (35, 511804), (70, 255902), (140, 127951)]