39031472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{128393}}^1$

素因数の和:128420

約数の個数: 20

約数和(自身を含む): 79604280

約数和(自身を除く): 40572808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 128393, 256786, 513572, 1027144, 2054288, 2439467, 4878934, 9757868, 19515736, 39031472]

約数ペア:

[(1, 39031472), (2, 19515736), (4, 9757868), (8, 4878934), (16, 2439467), (19, 2054288), (38, 1027144), (76, 513572), (152, 256786), (304, 128393)]