19964157072

素因数分解:

$2^4\times 3^1\times {\mathrm{415919939}}^1$

素因数の和:415919950

約数の個数: 20

約数和(自身を含む): 51574072560

約数和(自身を除く): 31609915488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 415919939, 831839878, 1247759817, 1663679756, 2495519634, 3327359512, 4991039268, 6654719024, 9982078536, 19964157072]

約数ペア:

[(1, 19964157072), (2, 9982078536), (3, 6654719024), (4, 4991039268), (6, 3327359512), (8, 2495519634), (12, 1663679756), (16, 1247759817), (24, 831839878), (48, 415919939)]