18528363

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 33646080

約数和(自身を除く): 15117717

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 673, 1197, 1311, 1449, 2019, 3059, 3933, 4711, 6057, 9177, 12787, 14133, 15479, 27531, 38361, 42399, 46437, 89509, 108353, 115083, 139311, 268527, 294101, 325059, 805581, 882303, 975177, 2058707, 2646909, 6176121, 18528363]

約数ペア:

[(1, 18528363), (3, 6176121), (7, 2646909), (9, 2058707), (19, 975177), (21, 882303), (23, 805581), (57, 325059), (63, 294101), (69, 268527), (133, 139311), (161, 115083), (171, 108353), (207, 89509), (399, 46437), (437, 42399), (483, 38361), (673, 27531), (1197, 15479), (1311, 14133), (1449, 12787), (2019, 9177), (3059, 6057), (3933, 4711)]