19949204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3461}}^1$

素因数の和:3607

約数の個数: 24

約数和(自身を含む): 38386656

約数和(自身を除く): 18437452

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3461, 5764, 6922, 13844, 38071, 76142, 152284, 453391, 906782, 1813564, 4987301, 9974602, 19949204]

約数ペア:

[(1, 19949204), (2, 9974602), (4, 4987301), (11, 1813564), (22, 906782), (44, 453391), (131, 152284), (262, 76142), (524, 38071), (1441, 13844), (2882, 6922), (3461, 5764)]