19726576

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30071}}^1$

素因数の和:30120

約数の個数: 20

約数和(自身を含む): 39153744

約数和(自身を除く): 19427168

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30071, 60142, 120284, 240568, 481136, 1232911, 2465822, 4931644, 9863288, 19726576]

約数ペア:

[(1, 19726576), (2, 9863288), (4, 4931644), (8, 2465822), (16, 1232911), (41, 481136), (82, 240568), (164, 120284), (328, 60142), (656, 30071)]