18901113

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11689}}^1$

素因数の和:11717

約数の個数: 24

約数和(自身を含む): 31983840

約数和(自身を除く): 13082727

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11689, 35067, 81823, 128579, 245469, 385737, 572761, 900053, 1718283, 2700159, 6300371, 18901113]

約数ペア:

[(1, 18901113), (3, 6300371), (7, 2700159), (11, 1718283), (21, 900053), (33, 572761), (49, 385737), (77, 245469), (147, 128579), (231, 81823), (539, 35067), (1617, 11689)]