18471460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131939}}^1$

素因数の和:131955

約数の個数: 24

約数和(自身を含む): 44331840

約数和(自身を除く): 25860380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131939, 263878, 527756, 659695, 923573, 1319390, 1847146, 2638780, 3694292, 4617865, 9235730, 18471460]

約数ペア:

[(1, 18471460), (2, 9235730), (4, 4617865), (5, 3694292), (7, 2638780), (10, 1847146), (14, 1319390), (20, 923573), (28, 659695), (35, 527756), (70, 263878), (140, 131939)]