18950316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20509}}^1$

素因数の和:20534

約数の個数: 48

約数和(自身を含む): 55130880

約数和(自身を除く): 36180564

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20509, 41018, 61527, 82036, 123054, 143563, 225599, 246108, 287126, 430689, 451198, 574252, 676797, 861378, 902396, 1353594, 1579193, 1722756, 2707188, 3158386, 4737579, 6316772, 9475158, 18950316]

約数ペア:

[(1, 18950316), (2, 9475158), (3, 6316772), (4, 4737579), (6, 3158386), (7, 2707188), (11, 1722756), (12, 1579193), (14, 1353594), (21, 902396), (22, 861378), (28, 676797), (33, 574252), (42, 451198), (44, 430689), (66, 287126), (77, 246108), (84, 225599), (132, 143563), (154, 123054), (231, 82036), (308, 61527), (462, 41018), (924, 20509)]