18740744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1231}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 19845496

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1231, 1384, 1903, 2462, 3806, 4924, 7612, 9848, 13541, 15224, 27082, 54164, 108328, 212963, 425926, 851852, 1703704, 2342593, 4685186, 9370372, 18740744]

約数ペア:

[(1, 18740744), (2, 9370372), (4, 4685186), (8, 2342593), (11, 1703704), (22, 851852), (44, 425926), (88, 212963), (173, 108328), (346, 54164), (692, 27082), (1231, 15224), (1384, 13541), (1903, 9848), (2462, 7612), (3806, 4924)]