19514763

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2707}}^1$

素因数の和:2808

約数の個数: 20

約数和(自身を含む): 29490120

約数和(自身を除く): 9975357

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2707, 7209, 8121, 24363, 73089, 219267, 240923, 722769, 2168307, 6504921, 19514763]

約数ペア:

[(1, 19514763), (3, 6504921), (9, 2168307), (27, 722769), (81, 240923), (89, 219267), (267, 73089), (801, 24363), (2403, 8121), (2707, 7209)]