19211728

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1229}}^1$

素因数の和:2214

約数の個数: 20

約数和(自身を含む): 37291140

約数和(自身を除く): 18079412

約数列:

[1, 2, 4, 8, 16, 977, 1229, 1954, 2458, 3908, 4916, 7816, 9832, 15632, 19664, 1200733, 2401466, 4802932, 9605864, 19211728]

約数ペア:

[(1, 19211728), (2, 9605864), (4, 4802932), (8, 2401466), (16, 1200733), (977, 19664), (1229, 15632), (1954, 9832), (2458, 7816), (3908, 4916)]