19942672

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{1297}}^1$

素因数の和:1367

約数の個数: 30

約数和(自身を含む): 39956334

約数和(自身を除く): 20013662

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1297, 1922, 2594, 3844, 5188, 7688, 10376, 15376, 20752, 40207, 80414, 160828, 321656, 643312, 1246417, 2492834, 4985668, 9971336, 19942672]

約数ペア:

[(1, 19942672), (2, 9971336), (4, 4985668), (8, 2492834), (16, 1246417), (31, 643312), (62, 321656), (124, 160828), (248, 80414), (496, 40207), (961, 20752), (1297, 15376), (1922, 10376), (2594, 7688), (3844, 5188)]