19707884

素因数分解:

$2^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1237}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 39516960

約数和(自身を除く): 19809076

約数列:

[1, 2, 4, 7, 14, 28, 569, 1138, 1237, 2276, 2474, 3983, 4948, 7966, 8659, 15932, 17318, 34636, 703853, 1407706, 2815412, 4926971, 9853942, 19707884]

約数ペア:

[(1, 19707884), (2, 9853942), (4, 4926971), (7, 2815412), (14, 1407706), (28, 703853), (569, 34636), (1138, 17318), (1237, 15932), (2276, 8659), (2474, 7966), (3983, 4948)]