18329421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9664179

約数列:

[1, 3, 11, 29, 33, 87, 107, 179, 319, 321, 537, 957, 1177, 1969, 3103, 3531, 5191, 5907, 9309, 15573, 19153, 34133, 57101, 57459, 102399, 171303, 210683, 555437, 632049, 1666311, 6109807, 18329421]

約数ペア:

[(1, 18329421), (3, 6109807), (11, 1666311), (29, 632049), (33, 555437), (87, 210683), (107, 171303), (179, 102399), (319, 57459), (321, 57101), (537, 34133), (957, 19153), (1177, 15573), (1969, 9309), (3103, 5907), (3531, 5191)]