19071531

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 40

約数和(自身を含む): 30840480

約数和(自身を除く): 11768949

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 353, 621, 667, 783, 1059, 1863, 2001, 2349, 3177, 6003, 8119, 9531, 10237, 18009, 24357, 28593, 30711, 54027, 73071, 92133, 219213, 235451, 276399, 657639, 706353, 829197, 2119059, 6357177, 19071531]

約数ペア:

[(1, 19071531), (3, 6357177), (9, 2119059), (23, 829197), (27, 706353), (29, 657639), (69, 276399), (81, 235451), (87, 219213), (207, 92133), (261, 73071), (353, 54027), (621, 30711), (667, 28593), (783, 24357), (1059, 18009), (1863, 10237), (2001, 9531), (2349, 8119), (3177, 6003)]