19968208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96001}}^1$

素因数の和:96022

約数の個数: 20

約数和(自身を含む): 41664868

約数和(自身を除く): 21696660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96001, 192002, 384004, 768008, 1248013, 1536016, 2496026, 4992052, 9984104, 19968208]

約数ペア:

[(1, 19968208), (2, 9984104), (4, 4992052), (8, 2496026), (13, 1536016), (16, 1248013), (26, 768008), (52, 384004), (104, 192002), (208, 96001)]