19444256

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 22778848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1087, 1118, 1376, 2174, 2236, 4348, 4472, 8696, 8944, 14131, 17392, 17888, 28262, 34784, 46741, 56524, 93482, 113048, 186964, 226096, 373928, 452192, 607633, 747856, 1215266, 1495712, 2430532, 4861064, 9722128, 19444256]

約数ペア:

[(1, 19444256), (2, 9722128), (4, 4861064), (8, 2430532), (13, 1495712), (16, 1215266), (26, 747856), (32, 607633), (43, 452192), (52, 373928), (86, 226096), (104, 186964), (172, 113048), (208, 93482), (344, 56524), (416, 46741), (559, 34784), (688, 28262), (1087, 17888), (1118, 17392), (1376, 14131), (2174, 8944), (2236, 8696), (4348, 4472)]