19044500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 42653520

約数和(自身を除く): 23609020

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 929, 1025, 1858, 2050, 3716, 4100, 4645, 5125, 9290, 10250, 18580, 20500, 23225, 38089, 46450, 76178, 92900, 116125, 152356, 190445, 232250, 380890, 464500, 761780, 952225, 1904450, 3808900, 4761125, 9522250, 19044500]

約数ペア:

[(1, 19044500), (2, 9522250), (4, 4761125), (5, 3808900), (10, 1904450), (20, 952225), (25, 761780), (41, 464500), (50, 380890), (82, 232250), (100, 190445), (125, 152356), (164, 116125), (205, 92900), (250, 76178), (410, 46450), (500, 38089), (820, 23225), (929, 20500), (1025, 18580), (1858, 10250), (2050, 9290), (3716, 5125), (4100, 4645)]