18731427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 11266653

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 929, 1551, 1833, 2787, 6721, 10219, 12077, 20163, 30657, 36231, 43663, 130989, 132847, 398541, 480293, 567619, 1440879, 1702857, 6243809, 18731427]

約数ペア:

[(1, 18731427), (3, 6243809), (11, 1702857), (13, 1440879), (33, 567619), (39, 480293), (47, 398541), (141, 132847), (143, 130989), (429, 43663), (517, 36231), (611, 30657), (929, 20163), (1551, 12077), (1833, 10219), (2787, 6721)]