2009721806

素因数分解:

$2^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1\times {\mathrm{5437}}^1$

素因数の和:6299

約数の個数: 16

約数和(自身を含む): 3029183520

約数和(自身を除く): 1019461714

約数列:

[1, 2, 421, 439, 842, 878, 5437, 10874, 184819, 369638, 2288977, 2386843, 4577954, 4773686, 1004860903, 2009721806]

約数ペア:

[(1, 2009721806), (2, 1004860903), (421, 4773686), (439, 4577954), (842, 2386843), (878, 2288977), (5437, 369638), (10874, 184819)]