18914731456

素因数分解:

$2^6\times {\mathrm{2393}}^1\times {\mathrm{123503}}^1$

素因数の和:125908

約数の個数: 28

約数和(自身を含む): 37549909152

約数和(自身を除く): 18635177696

約数列:

[1, 2, 4, 8, 16, 32, 64, 2393, 4786, 9572, 19144, 38288, 76576, 123503, 153152, 247006, 494012, 988024, 1976048, 3952096, 7904192, 295542679, 591085358, 1182170716, 2364341432, 4728682864, 9457365728, 18914731456]

約数ペア:

[(1, 18914731456), (2, 9457365728), (4, 4728682864), (8, 2364341432), (16, 1182170716), (32, 591085358), (64, 295542679), (2393, 7904192), (4786, 3952096), (9572, 1976048), (19144, 988024), (38288, 494012), (76576, 247006), (123503, 153152)]