17819690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1319}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 19055830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1319, 1351, 1930, 2638, 2702, 6595, 6755, 9233, 13190, 13510, 18466, 46165, 92330, 254567, 509134, 1272835, 1781969, 2545670, 3563938, 8909845, 17819690]

約数ペア:

[(1, 17819690), (2, 8909845), (5, 3563938), (7, 2545670), (10, 1781969), (14, 1272835), (35, 509134), (70, 254567), (193, 92330), (386, 46165), (965, 18466), (1319, 13510), (1351, 13190), (1930, 9233), (2638, 6755), (2702, 6595)]