19208240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12637}}^1$

素因数の和:12669

約数の個数: 40

約数和(自身を含む): 47013360

約数和(自身を除く): 27805120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12637, 25274, 50548, 63185, 101096, 126370, 202192, 240103, 252740, 480206, 505480, 960412, 1010960, 1200515, 1920824, 2401030, 3841648, 4802060, 9604120, 19208240]

約数ペア:

[(1, 19208240), (2, 9604120), (4, 4802060), (5, 3841648), (8, 2401030), (10, 1920824), (16, 1200515), (19, 1010960), (20, 960412), (38, 505480), (40, 480206), (76, 252740), (80, 240103), (95, 202192), (152, 126370), (190, 101096), (304, 63185), (380, 50548), (760, 25274), (1520, 12637)]