19851712

素因数分解:

$2^6\times {\mathrm{313}}^1\times {\mathrm{991}}^1$

素因数の和:1316

約数の個数: 28

約数和(自身を含む): 39558976

約数和(自身を除く): 19707264

約数列:

[1, 2, 4, 8, 16, 32, 64, 313, 626, 991, 1252, 1982, 2504, 3964, 5008, 7928, 10016, 15856, 20032, 31712, 63424, 310183, 620366, 1240732, 2481464, 4962928, 9925856, 19851712]

約数ペア:

[(1, 19851712), (2, 9925856), (4, 4962928), (8, 2481464), (16, 1240732), (32, 620366), (64, 310183), (313, 63424), (626, 31712), (991, 20032), (1252, 15856), (1982, 10016), (2504, 7928), (3964, 5008)]