19163408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108883}}^1$

素因数の和:108902

約数の個数: 20

約数和(自身を含む): 40504848

約数和(自身を除く): 21341440

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108883, 217766, 435532, 871064, 1197713, 1742128, 2395426, 4790852, 9581704, 19163408]

約数ペア:

[(1, 19163408), (2, 9581704), (4, 4790852), (8, 2395426), (11, 1742128), (16, 1197713), (22, 871064), (44, 435532), (88, 217766), (176, 108883)]