18676420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133403}}^1$

素因数の和:133419

約数の個数: 24

約数和(自身を含む): 44823744

約数和(自身を除く): 26147324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133403, 266806, 533612, 667015, 933821, 1334030, 1867642, 2668060, 3735284, 4669105, 9338210, 18676420]

約数ペア:

[(1, 18676420), (2, 9338210), (4, 4669105), (5, 3735284), (7, 2668060), (10, 1867642), (14, 1334030), (20, 933821), (28, 667015), (35, 533612), (70, 266806), (140, 133403)]