18621890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{266027}}^1$

素因数の和:266041

約数の個数: 16

約数和(自身を含む): 38308032

約数和(自身を除く): 19686142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 266027, 532054, 1330135, 1862189, 2660270, 3724378, 9310945, 18621890]

約数ペア:

[(1, 18621890), (2, 9310945), (5, 3724378), (7, 2660270), (10, 1862189), (14, 1330135), (35, 532054), (70, 266027)]