19559870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4337}}^1$

素因数の和:4396

約数の個数: 32

約数和(自身を含む): 39354336

約数和(自身を除く): 19794466

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4337, 4510, 8674, 21685, 43370, 47707, 95414, 177817, 238535, 355634, 477070, 889085, 1778170, 1955987, 3911974, 9779935, 19559870]

約数ペア:

[(1, 19559870), (2, 9779935), (5, 3911974), (10, 1955987), (11, 1778170), (22, 889085), (41, 477070), (55, 355634), (82, 238535), (110, 177817), (205, 95414), (410, 47707), (451, 43370), (902, 21685), (2255, 8674), (4337, 4510)]