19390256

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{3823}}^1$

素因数の和:4148

約数の個数: 20

約数和(自身を含む): 37696992

約数和(自身を除く): 18306736

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 3823, 5072, 7646, 15292, 30584, 61168, 1211891, 2423782, 4847564, 9695128, 19390256]

約数ペア:

[(1, 19390256), (2, 9695128), (4, 4847564), (8, 2423782), (16, 1211891), (317, 61168), (634, 30584), (1268, 15292), (2536, 7646), (3823, 5072)]