19881344

素因数分解:

$2^7\times 7^1\times {\mathrm{22189}}^1$

素因数の和:22210

約数の個数: 32

約数和(自身を含む): 45267600

約数和(自身を除く): 25386256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22189, 44378, 88756, 155323, 177512, 310646, 355024, 621292, 710048, 1242584, 1420096, 2485168, 2840192, 4970336, 9940672, 19881344]

約数ペア:

[(1, 19881344), (2, 9940672), (4, 4970336), (7, 2840192), (8, 2485168), (14, 1420096), (16, 1242584), (28, 710048), (32, 621292), (56, 355024), (64, 310646), (112, 177512), (128, 155323), (224, 88756), (448, 44378), (896, 22189)]