18872896

素因数分解:

$2^6\times 7^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 56

約数和(自身を含む): 43322240

約数和(自身を除く): 24449344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 206, 224, 409, 412, 448, 721, 818, 824, 1442, 1636, 1648, 2863, 2884, 3272, 3296, 5726, 5768, 6544, 6592, 11452, 11536, 13088, 22904, 23072, 26176, 42127, 45808, 46144, 84254, 91616, 168508, 183232, 294889, 337016, 589778, 674032, 1179556, 1348064, 2359112, 2696128, 4718224, 9436448, 18872896]

約数ペア:

[(1, 18872896), (2, 9436448), (4, 4718224), (7, 2696128), (8, 2359112), (14, 1348064), (16, 1179556), (28, 674032), (32, 589778), (56, 337016), (64, 294889), (103, 183232), (112, 168508), (206, 91616), (224, 84254), (409, 46144), (412, 45808), (448, 42127), (721, 26176), (818, 23072), (824, 22904), (1442, 13088), (1636, 11536), (1648, 11452), (2863, 6592), (2884, 6544), (3272, 5768), (3296, 5726)]