19564288

素因数分解:

$2^8\times {\mathrm{76423}}^1$

素因数の和:76439

約数の個数: 18

約数和(自身を含む): 39052664

約数和(自身を除く): 19488376

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 76423, 152846, 305692, 611384, 1222768, 2445536, 4891072, 9782144, 19564288]

約数ペア:

[(1, 19564288), (2, 9782144), (4, 4891072), (8, 2445536), (16, 1222768), (32, 611384), (64, 305692), (128, 152846), (256, 76423)]