19429984

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 24696224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 683, 889, 1016, 1366, 1778, 2032, 2732, 3556, 4064, 4781, 5464, 7112, 9562, 10928, 14224, 19124, 21856, 28448, 38248, 76496, 86741, 152992, 173482, 346964, 607187, 693928, 1214374, 1387856, 2428748, 2775712, 4857496, 9714992, 19429984]

約数ペア:

[(1, 19429984), (2, 9714992), (4, 4857496), (7, 2775712), (8, 2428748), (14, 1387856), (16, 1214374), (28, 693928), (32, 607187), (56, 346964), (112, 173482), (127, 152992), (224, 86741), (254, 76496), (508, 38248), (683, 28448), (889, 21856), (1016, 19124), (1366, 14224), (1778, 10928), (2032, 9562), (2732, 7112), (3556, 5464), (4064, 4781)]