19866770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25801}}^1$

素因数の和:25826

約数の個数: 32

約数和(自身を含む): 44585856

約数和(自身を除く): 24719086

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25801, 51602, 129005, 180607, 258010, 283811, 361214, 567622, 903035, 1419055, 1806070, 1986677, 2838110, 3973354, 9933385, 19866770]

約数ペア:

[(1, 19866770), (2, 9933385), (5, 3973354), (7, 2838110), (10, 1986677), (11, 1806070), (14, 1419055), (22, 903035), (35, 567622), (55, 361214), (70, 283811), (77, 258010), (110, 180607), (154, 129005), (385, 51602), (770, 25801)]