19966870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25931}}^1$

素因数の和:25956

約数の個数: 32

約数和(自身を含む): 44810496

約数和(自身を除く): 24843626

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25931, 51862, 129655, 181517, 259310, 285241, 363034, 570482, 907585, 1426205, 1815170, 1996687, 2852410, 3993374, 9983435, 19966870]

約数ペア:

[(1, 19966870), (2, 9983435), (5, 3993374), (7, 2852410), (10, 1996687), (11, 1815170), (14, 1426205), (22, 907585), (35, 570482), (55, 363034), (70, 285241), (77, 259310), (110, 181517), (154, 129655), (385, 51862), (770, 25931)]