19989484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12781}}^1$

素因数の和:12825

約数の個数: 24

約数和(自身を含む): 38652768

約数和(自身を除く): 18663284

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 12781, 25562, 51124, 217277, 293963, 434554, 587926, 869108, 1175852, 4997371, 9994742, 19989484]

約数ペア:

[(1, 19989484), (2, 9994742), (4, 4997371), (17, 1175852), (23, 869108), (34, 587926), (46, 434554), (68, 293963), (92, 217277), (391, 51124), (782, 25562), (1564, 12781)]