19438712

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{21503}}^1$

素因数の和:21622

約数の個数: 16

約数和(自身を含む): 36771840

約数和(自身を除く): 17333128

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 21503, 43006, 86012, 172024, 2429839, 4859678, 9719356, 19438712]

約数ペア:

[(1, 19438712), (2, 9719356), (4, 4859678), (8, 2429839), (113, 172024), (226, 86012), (452, 43006), (904, 21503)]