19892950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5167}}^1$

素因数の和:5197

約数の個数: 48

約数和(自身を含む): 46139904

約数和(自身を除く): 26246954

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5167, 10334, 25835, 36169, 51670, 56837, 72338, 113674, 129175, 180845, 258350, 284185, 361690, 397859, 568370, 795718, 904225, 1420925, 1808450, 1989295, 2841850, 3978590, 9946475, 19892950]

約数ペア:

[(1, 19892950), (2, 9946475), (5, 3978590), (7, 2841850), (10, 1989295), (11, 1808450), (14, 1420925), (22, 904225), (25, 795718), (35, 568370), (50, 397859), (55, 361690), (70, 284185), (77, 258350), (110, 180845), (154, 129175), (175, 113674), (275, 72338), (350, 56837), (385, 51670), (550, 36169), (770, 25835), (1925, 10334), (3850, 5167)]