19420984

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20063}}^1$

素因数の和:20091

約数の個数: 24

約数和(自身を含む): 40027680

約数和(自身を除く): 20606696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20063, 40126, 80252, 160504, 220693, 441386, 882772, 1765544, 2427623, 4855246, 9710492, 19420984]

約数ペア:

[(1, 19420984), (2, 9710492), (4, 4855246), (8, 2427623), (11, 1765544), (22, 882772), (44, 441386), (88, 220693), (121, 160504), (242, 80252), (484, 40126), (968, 20063)]