19680416

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 44763264

約数和(自身を除く): 25082848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 824, 853, 1442, 1648, 1706, 2884, 3296, 3412, 5768, 5971, 6824, 11536, 11942, 13648, 23072, 23884, 27296, 47768, 87859, 95536, 175718, 191072, 351436, 615013, 702872, 1230026, 1405744, 2460052, 2811488, 4920104, 9840208, 19680416]

約数ペア:

[(1, 19680416), (2, 9840208), (4, 4920104), (7, 2811488), (8, 2460052), (14, 1405744), (16, 1230026), (28, 702872), (32, 615013), (56, 351436), (103, 191072), (112, 175718), (206, 95536), (224, 87859), (412, 47768), (721, 27296), (824, 23884), (853, 23072), (1442, 13648), (1648, 11942), (1706, 11536), (2884, 6824), (3296, 5971), (3412, 5768)]