19932572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41183}}^1$

素因数の和:41209

約数の個数: 18

約数和(自身を含む): 38342304

約数和(自身を除く): 18409732

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41183, 82366, 164732, 453013, 906026, 1812052, 4983143, 9966286, 19932572]

約数ペア:

[(1, 19932572), (2, 9966286), (4, 4983143), (11, 1812052), (22, 906026), (44, 453013), (121, 164732), (242, 82366), (484, 41183)]