1975012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 3920000

約数和(自身を除く): 1944988

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 1999, 3998, 7996, 25987, 37981, 51974, 75962, 103948, 151924, 493753, 987506, 1975012]

約数ペア:

[(1, 1975012), (2, 987506), (4, 493753), (13, 151924), (19, 103948), (26, 75962), (38, 51974), (52, 37981), (76, 25987), (247, 7996), (494, 3998), (988, 1999)]