19931751

素因数分解:

$3^4\times 7^1\times {\mathrm{35153}}^1$

素因数の和:35172

約数の個数: 20

約数和(自身を含む): 34029072

約数和(自身を除く): 14097321

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35153, 105459, 246071, 316377, 738213, 949131, 2214639, 2847393, 6643917, 19931751]

約数ペア:

[(1, 19931751), (3, 6643917), (7, 2847393), (9, 2214639), (21, 949131), (27, 738213), (63, 316377), (81, 246071), (189, 105459), (567, 35153)]