20190008

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{6991}}^1$

素因数の和:7035

約数の個数: 24

約数和(自身を含む): 39959280

約数和(自身を除く): 19769272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 6991, 13982, 27964, 55928, 132829, 265658, 531316, 1062632, 2523751, 5047502, 10095004, 20190008]

約数ペア:

[(1, 20190008), (2, 10095004), (4, 5047502), (8, 2523751), (19, 1062632), (38, 531316), (76, 265658), (152, 132829), (361, 55928), (722, 27964), (1444, 13982), (2888, 6991)]