19203237

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1014

約数の個数: 20

約数和(自身を含む): 28807680

約数和(自身を除く): 9604443

約数列:

[1, 3, 9, 27, 81, 383, 619, 1149, 1857, 3447, 5571, 10341, 16713, 31023, 50139, 237077, 711231, 2133693, 6401079, 19203237]

約数ペア:

[(1, 19203237), (3, 6401079), (9, 2133693), (27, 711231), (81, 237077), (383, 50139), (619, 31023), (1149, 16713), (1857, 10341), (3447, 5571)]