17980778826

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{230647}}^1$

素因数の和:230787

約数の個数: 48

約数和(自身を含む): 40154894208

約数和(自身を除く): 22174115382

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 366, 426, 549, 639, 1098, 1278, 4331, 8662, 12993, 25986, 38979, 77958, 230647, 461294, 691941, 1383882, 2075823, 4151646, 14069467, 16375937, 28138934, 32751874, 42208401, 49127811, 84416802, 98255622, 126625203, 147383433, 253250406, 294766866, 998932157, 1997864314, 2996796471, 5993592942, 8990389413, 17980778826]

約数ペア:

[(1, 17980778826), (2, 8990389413), (3, 5993592942), (6, 2996796471), (9, 1997864314), (18, 998932157), (61, 294766866), (71, 253250406), (122, 147383433), (142, 126625203), (183, 98255622), (213, 84416802), (366, 49127811), (426, 42208401), (549, 32751874), (639, 28138934), (1098, 16375937), (1278, 14069467), (4331, 4151646), (8662, 2075823), (12993, 1383882), (25986, 691941), (38979, 461294), (77958, 230647)]