19904373

素因数分解:

$3^5\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 30147936

約数和(自身を除く): 10243563

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 811, 909, 2433, 2727, 7299, 8181, 21897, 24543, 65691, 81911, 197073, 245733, 737199, 2211597, 6634791, 19904373]

約数ペア:

[(1, 19904373), (3, 6634791), (9, 2211597), (27, 737199), (81, 245733), (101, 197073), (243, 81911), (303, 65691), (811, 24543), (909, 21897), (2433, 8181), (2727, 7299)]