19440355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 26889408

約数和(自身を除く): 7449053

約数列:

[1, 5, 11, 37, 41, 55, 185, 205, 233, 407, 451, 1165, 1517, 2035, 2255, 2563, 7585, 8621, 9553, 12815, 16687, 43105, 47765, 83435, 94831, 105083, 353461, 474155, 525415, 1767305, 3888071, 19440355]

約数ペア:

[(1, 19440355), (5, 3888071), (11, 1767305), (37, 525415), (41, 474155), (55, 353461), (185, 105083), (205, 94831), (233, 83435), (407, 47765), (451, 43105), (1165, 16687), (1517, 12815), (2035, 9553), (2255, 8621), (2563, 7585)]