18906261

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 10704747

約数列:

[1, 3, 11, 17, 33, 51, 67, 187, 201, 503, 561, 737, 1139, 1509, 2211, 3417, 5533, 8551, 12529, 16599, 25653, 33701, 37587, 94061, 101103, 282183, 370711, 572917, 1112133, 1718751, 6302087, 18906261]

約数ペア:

[(1, 18906261), (3, 6302087), (11, 1718751), (17, 1112133), (33, 572917), (51, 370711), (67, 282183), (187, 101103), (201, 94061), (503, 37587), (561, 33701), (737, 25653), (1139, 16599), (1509, 12529), (2211, 8551), (3417, 5533)]