19740292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34511}}^1$

素因数の和:34539

約数の個数: 24

約数和(自身を含む): 40586112

約数和(自身を除く): 20845820

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34511, 69022, 138044, 379621, 448643, 759242, 897286, 1518484, 1794572, 4935073, 9870146, 19740292]

約数ペア:

[(1, 19740292), (2, 9870146), (4, 4935073), (11, 1794572), (13, 1518484), (22, 897286), (26, 759242), (44, 448643), (52, 379621), (143, 138044), (286, 69022), (572, 34511)]