19209968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{52201}}^1$

素因数の和:52232

約数の個数: 20

約数和(自身を含む): 38838288

約数和(自身を除く): 19628320

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 52201, 104402, 208804, 417608, 835216, 1200623, 2401246, 4802492, 9604984, 19209968]

約数ペア:

[(1, 19209968), (2, 9604984), (4, 4802492), (8, 2401246), (16, 1200623), (23, 835216), (46, 417608), (92, 208804), (184, 104402), (368, 52201)]