19744317

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1409}}^1$

素因数の和:1594

約数の個数: 20

約数和(自身を含む): 29686140

約数和(自身を除く): 9941823

約数列:

[1, 3, 9, 27, 81, 173, 519, 1409, 1557, 4227, 4671, 12681, 14013, 38043, 114129, 243757, 731271, 2193813, 6581439, 19744317]

約数ペア:

[(1, 19744317), (3, 6581439), (9, 2193813), (27, 731271), (81, 243757), (173, 114129), (519, 38043), (1409, 14013), (1557, 12681), (4227, 4671)]