15119972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 32269440

約数和(自身を除く): 17149468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 293, 388, 532, 586, 679, 1172, 1358, 1843, 2051, 2716, 3686, 4102, 5567, 7372, 8204, 11134, 12901, 22268, 25802, 28421, 38969, 51604, 56842, 77938, 113684, 155876, 198947, 397894, 539999, 795788, 1079998, 2159996, 3779993, 7559986, 15119972]

約数ペア:

[(1, 15119972), (2, 7559986), (4, 3779993), (7, 2159996), (14, 1079998), (19, 795788), (28, 539999), (38, 397894), (76, 198947), (97, 155876), (133, 113684), (194, 77938), (266, 56842), (293, 51604), (388, 38969), (532, 28421), (586, 25802), (679, 22268), (1172, 12901), (1358, 11134), (1843, 8204), (2051, 7372), (2716, 5567), (3686, 4102)]