19875596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20117}}^1$

素因数の和:20153

約数の個数: 24

約数和(自身を含む): 39431280

約数和(自身を除く): 19555684

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20117, 40234, 80468, 261521, 382223, 523042, 764446, 1046084, 1528892, 4968899, 9937798, 19875596]

約数ペア:

[(1, 19875596), (2, 9937798), (4, 4968899), (13, 1528892), (19, 1046084), (26, 764446), (38, 523042), (52, 382223), (76, 261521), (247, 80468), (494, 40234), (988, 20117)]