19186772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10141}}^1$

素因数の和:10199

約数の個数: 24

約数和(自身を含む): 37484832

約数和(自身を除く): 18298060

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10141, 20282, 40564, 111551, 223102, 436063, 446204, 872126, 1744252, 4796693, 9593386, 19186772]

約数ペア:

[(1, 19186772), (2, 9593386), (4, 4796693), (11, 1744252), (22, 872126), (43, 446204), (44, 436063), (86, 223102), (172, 111551), (473, 40564), (946, 20282), (1892, 10141)]