18277504

素因数分解:

$2^7\times 7^1\times {\mathrm{20399}}^1$

素因数の和:20420

約数の個数: 32

約数和(自身を含む): 41616000

約数和(自身を除く): 23338496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20399, 40798, 81596, 142793, 163192, 285586, 326384, 571172, 652768, 1142344, 1305536, 2284688, 2611072, 4569376, 9138752, 18277504]

約数ペア:

[(1, 18277504), (2, 9138752), (4, 4569376), (7, 2611072), (8, 2284688), (14, 1305536), (16, 1142344), (28, 652768), (32, 571172), (56, 326384), (64, 285586), (112, 163192), (128, 142793), (224, 81596), (448, 40798), (896, 20399)]