19564784

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26017}}^1$

素因数の和:26072

約数の個数: 20

約数和(自身を含む): 38714784

約数和(自身を除く): 19150000

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26017, 52034, 104068, 208136, 416272, 1222799, 2445598, 4891196, 9782392, 19564784]

約数ペア:

[(1, 19564784), (2, 9782392), (4, 4891196), (8, 2445598), (16, 1222799), (47, 416272), (94, 208136), (188, 104068), (376, 52034), (752, 26017)]