19189136

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19661}}^1$

素因数の和:19730

約数の個数: 20

約数和(自身を含む): 37790364

約数和(自身を除く): 18601228

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19661, 39322, 78644, 157288, 314576, 1199321, 2398642, 4797284, 9594568, 19189136]

約数ペア:

[(1, 19189136), (2, 9594568), (4, 4797284), (8, 2398642), (16, 1199321), (61, 314576), (122, 157288), (244, 78644), (488, 39322), (976, 19661)]