19182520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9787}}^1$

素因数の和:9812

約数の個数: 48

約数和(自身を含む): 50212440

約数和(自身を除く): 31029920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9787, 19574, 39148, 48935, 68509, 78296, 97870, 137018, 195740, 274036, 342545, 391480, 479563, 548072, 685090, 959126, 1370180, 1918252, 2397815, 2740360, 3836504, 4795630, 9591260, 19182520]

約数ペア:

[(1, 19182520), (2, 9591260), (4, 4795630), (5, 3836504), (7, 2740360), (8, 2397815), (10, 1918252), (14, 1370180), (20, 959126), (28, 685090), (35, 548072), (40, 479563), (49, 391480), (56, 342545), (70, 274036), (98, 195740), (140, 137018), (196, 97870), (245, 78296), (280, 68509), (392, 48935), (490, 39148), (980, 19574), (1960, 9787)]