18311972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{34421}}^1$

素因数の和:34451

約数の個数: 24

約数和(自身を含む): 38552640

約数和(自身を除く): 20240668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 34421, 68842, 137684, 240947, 481894, 653999, 963788, 1307998, 2615996, 4577993, 9155986, 18311972]

約数ペア:

[(1, 18311972), (2, 9155986), (4, 4577993), (7, 2615996), (14, 1307998), (19, 963788), (28, 653999), (38, 481894), (76, 240947), (133, 137684), (266, 68842), (532, 34421)]