19678196

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 35669256

約数和(自身を除く): 15991060

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 1237, 2474, 3977, 4948, 7954, 15908, 50717, 101434, 119989, 202868, 239978, 479956, 4919549, 9839098, 19678196]

約数ペア:

[(1, 19678196), (2, 9839098), (4, 4919549), (41, 479956), (82, 239978), (97, 202868), (164, 119989), (194, 101434), (388, 50717), (1237, 15908), (2474, 7954), (3977, 4948)]