19616036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40529}}^1$

素因数の和:40555

約数の個数: 18

約数和(自身を含む): 37733430

約数和(自身を除く): 18117394

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40529, 81058, 162116, 445819, 891638, 1783276, 4904009, 9808018, 19616036]

約数ペア:

[(1, 19616036), (2, 9808018), (4, 4904009), (11, 1783276), (22, 891638), (44, 445819), (121, 162116), (242, 81058), (484, 40529)]