19657246

素因数分解:

$2^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2459}}^1$

素因数の和:3039

約数の個数: 16

約数和(自身を含む): 33770880

約数和(自身を除く): 14113634

約数列:

[1, 2, 7, 14, 571, 1142, 2459, 3997, 4918, 7994, 17213, 34426, 1404089, 2808178, 9828623, 19657246]

約数ペア:

[(1, 19657246), (2, 9828623), (7, 2808178), (14, 1404089), (571, 34426), (1142, 17213), (2459, 7994), (3997, 4918)]