19201977

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 28454400

約数和(自身を除く): 9252423

約数列:

[1, 3, 9, 79, 113, 237, 239, 339, 711, 717, 1017, 2151, 8927, 18881, 26781, 27007, 56643, 80343, 81021, 169929, 243063, 2133553, 6400659, 19201977]

約数ペア:

[(1, 19201977), (3, 6400659), (9, 2133553), (79, 243063), (113, 169929), (237, 81021), (239, 80343), (339, 56643), (711, 27007), (717, 26781), (1017, 18881), (2151, 8927)]