16131978

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{12277}}^1$

素因数の和:12358

約数の個数: 24

約数和(自身を含む): 35434308

約数和(自身を除く): 19302330

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 12277, 24554, 36831, 73662, 110493, 220986, 896221, 1792442, 2688663, 5377326, 8065989, 16131978]

約数ペア:

[(1, 16131978), (2, 8065989), (3, 5377326), (6, 2688663), (9, 1792442), (18, 896221), (73, 220986), (146, 110493), (219, 73662), (438, 36831), (657, 24554), (1314, 12277)]