19999494

素因数分解:

$2^1\times 3^3\times {\mathrm{383}}^1\times {\mathrm{967}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 44605440

約数和(自身を除く): 24605946

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 383, 766, 967, 1149, 1934, 2298, 2901, 3447, 5802, 6894, 8703, 10341, 17406, 20682, 26109, 52218, 370361, 740722, 1111083, 2222166, 3333249, 6666498, 9999747, 19999494]

約数ペア:

[(1, 19999494), (2, 9999747), (3, 6666498), (6, 3333249), (9, 2222166), (18, 1111083), (27, 740722), (54, 370361), (383, 52218), (766, 26109), (967, 20682), (1149, 17406), (1934, 10341), (2298, 8703), (2901, 6894), (3447, 5802)]