19127990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1039}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 20408650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1039, 1315, 1841, 2078, 2630, 3682, 5195, 7273, 9205, 10390, 14546, 18410, 36365, 72730, 273257, 546514, 1366285, 1912799, 2732570, 3825598, 9563995, 19127990]

約数ペア:

[(1, 19127990), (2, 9563995), (5, 3825598), (7, 2732570), (10, 1912799), (14, 1366285), (35, 546514), (70, 273257), (263, 72730), (526, 36365), (1039, 18410), (1315, 14546), (1841, 10390), (2078, 9205), (2630, 7273), (3682, 5195)]