18325197

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 30282912

約数和(自身を除く): 11957715

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 131, 157, 297, 393, 471, 891, 1179, 1413, 1441, 1727, 3537, 4239, 4323, 5181, 10611, 12717, 12969, 15543, 20567, 38907, 46629, 61701, 116721, 139887, 185103, 226237, 555309, 678711, 1665927, 2036133, 6108399, 18325197]

約数ペア:

[(1, 18325197), (3, 6108399), (9, 2036133), (11, 1665927), (27, 678711), (33, 555309), (81, 226237), (99, 185103), (131, 139887), (157, 116721), (297, 61701), (393, 46629), (471, 38907), (891, 20567), (1179, 15543), (1413, 12969), (1441, 12717), (1727, 10611), (3537, 5181), (4239, 4323)]