19557518

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3203}}^1$

素因数の和:3319

約数の個数: 16

約数和(自身を含む): 30450816

約数和(自身を除く): 10893298

約数列:

[1, 2, 43, 71, 86, 142, 3053, 3203, 6106, 6406, 137729, 227413, 275458, 454826, 9778759, 19557518]

約数ペア:

[(1, 19557518), (2, 9778759), (43, 454826), (71, 275458), (86, 227413), (142, 137729), (3053, 6406), (3203, 6106)]