19972412

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{631}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 36046752

約数和(自身を除く): 16074340

約数列:

[1, 2, 4, 41, 82, 164, 193, 386, 631, 772, 1262, 2524, 7913, 15826, 25871, 31652, 51742, 103484, 121783, 243566, 487132, 4993103, 9986206, 19972412]

約数ペア:

[(1, 19972412), (2, 9986206), (4, 4993103), (41, 487132), (82, 243566), (164, 121783), (193, 103484), (386, 51742), (631, 31652), (772, 25871), (1262, 15826), (2524, 7913)]