19777156

素因数分解:

$2^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1237}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 39655616

約数和(自身を除く): 19878460

約数列:

[1, 2, 4, 7, 14, 28, 571, 1142, 1237, 2284, 2474, 3997, 4948, 7994, 8659, 15988, 17318, 34636, 706327, 1412654, 2825308, 4944289, 9888578, 19777156]

約数ペア:

[(1, 19777156), (2, 9888578), (4, 4944289), (7, 2825308), (14, 1412654), (28, 706327), (571, 34636), (1142, 17318), (1237, 15988), (2284, 8659), (2474, 7994), (3997, 4948)]