19800280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26053}}^1$

素因数の和:26083

約数の個数: 32

約数和(自身を含む): 46897200

約数和(自身を除く): 27096920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26053, 52106, 104212, 130265, 208424, 260530, 495007, 521060, 990014, 1042120, 1980028, 2475035, 3960056, 4950070, 9900140, 19800280]

約数ペア:

[(1, 19800280), (2, 9900140), (4, 4950070), (5, 3960056), (8, 2475035), (10, 1980028), (19, 1042120), (20, 990014), (38, 521060), (40, 495007), (76, 260530), (95, 208424), (152, 130265), (190, 104212), (380, 52106), (760, 26053)]