19759869

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2842

約数の個数: 20

約数和(自身を含む): 29860380

約数和(自身を除く): 10100511

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2741, 7209, 8223, 24669, 74007, 222021, 243949, 731847, 2195541, 6586623, 19759869]

約数ペア:

[(1, 19759869), (3, 6586623), (9, 2195541), (27, 731847), (81, 243949), (89, 222021), (267, 74007), (801, 24669), (2403, 8223), (2741, 7209)]