18558891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 29120000

約数和(自身を除く): 10561109

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1249, 1651, 3747, 4953, 11241, 14859, 16237, 48711, 146133, 158623, 475869, 1427607, 2062099, 6186297, 18558891]

約数ペア:

[(1, 18558891), (3, 6186297), (9, 2062099), (13, 1427607), (39, 475869), (117, 158623), (127, 146133), (381, 48711), (1143, 16237), (1249, 14859), (1651, 11241), (3747, 4953)]