19002004

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1447}}^1$

素因数の和:1532

約数の個数: 36

約数和(自身を含む): 39287136

約数和(自身を除く): 20285132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1447, 1876, 2894, 3283, 5788, 6566, 10129, 13132, 20258, 40516, 70903, 96949, 141806, 193898, 283612, 387796, 678643, 1357286, 2714572, 4750501, 9501002, 19002004]

約数ペア:

[(1, 19002004), (2, 9501002), (4, 4750501), (7, 2714572), (14, 1357286), (28, 678643), (49, 387796), (67, 283612), (98, 193898), (134, 141806), (196, 96949), (268, 70903), (469, 40516), (938, 20258), (1447, 13132), (1876, 10129), (2894, 6566), (3283, 5788)]