19991567220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{288979}}^1$

素因数の和:290144

約数の個数: 48

約数和(自身を含む): 56025130560

約数和(自身を除く): 36033563340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1153, 2306, 3459, 4612, 5765, 6918, 11530, 13836, 17295, 23060, 34590, 69180, 288979, 577958, 866937, 1155916, 1444895, 1733874, 2889790, 3467748, 4334685, 5779580, 8669370, 17338740, 333192787, 666385574, 999578361, 1332771148, 1665963935, 1999156722, 3331927870, 3998313444, 4997891805, 6663855740, 9995783610, 19991567220]

約数ペア:

[(1, 19991567220), (2, 9995783610), (3, 6663855740), (4, 4997891805), (5, 3998313444), (6, 3331927870), (10, 1999156722), (12, 1665963935), (15, 1332771148), (20, 999578361), (30, 666385574), (60, 333192787), (1153, 17338740), (2306, 8669370), (3459, 5779580), (4612, 4334685), (5765, 3467748), (6918, 2889790), (11530, 1733874), (13836, 1444895), (17295, 1155916), (23060, 866937), (34590, 577958), (69180, 288979)]