18385143

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 30297600

約数和(自身を除く): 11912457

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1051, 2499, 3153, 5831, 7357, 17493, 17867, 22071, 51499, 53601, 125069, 154497, 360493, 375207, 875483, 1081479, 2626449, 6128381, 18385143]

約数ペア:

[(1, 18385143), (3, 6128381), (7, 2626449), (17, 1081479), (21, 875483), (49, 375207), (51, 360493), (119, 154497), (147, 125069), (343, 53601), (357, 51499), (833, 22071), (1029, 17867), (1051, 17493), (2499, 7357), (3153, 5831)]