19898986072

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1351099}}^1$

素因数の和:1351375

約数の個数: 32

約数和(自身を含む): 42802848000

約数和(自身を除く): 22903861928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 7364, 14728, 1351099, 2702198, 5404396, 9457693, 10808792, 18915386, 37830772, 75661544, 355339037, 710678074, 1421356148, 2487373259, 2842712296, 4974746518, 9949493036, 19898986072]

約数ペア:

[(1, 19898986072), (2, 9949493036), (4, 4974746518), (7, 2842712296), (8, 2487373259), (14, 1421356148), (28, 710678074), (56, 355339037), (263, 75661544), (526, 37830772), (1052, 18915386), (1841, 10808792), (2104, 9457693), (3682, 5404396), (7364, 2702198), (14728, 1351099)]