17913728

素因数分解:

$2^7\times 7^1\times {\mathrm{19993}}^1$

素因数の和:20014

約数の個数: 32

約数和(自身を含む): 40787760

約数和(自身を除く): 22874032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 19993, 39986, 79972, 139951, 159944, 279902, 319888, 559804, 639776, 1119608, 1279552, 2239216, 2559104, 4478432, 8956864, 17913728]

約数ペア:

[(1, 17913728), (2, 8956864), (4, 4478432), (7, 2559104), (8, 2239216), (14, 1279552), (16, 1119608), (28, 639776), (32, 559804), (56, 319888), (64, 279902), (112, 159944), (128, 139951), (224, 79972), (448, 39986), (896, 19993)]