20189350923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{693149}}^1$

素因数の和:693251

約数の個数: 32

約数和(自身を含む): 32827584000

約数和(自身を除く): 12638233077

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 9709, 29127, 693149, 2079447, 4852043, 13169831, 14556129, 39509493, 50599877, 92188817, 151799631, 276566451, 354199139, 961397663, 1062597417, 2884192989, 6729783641, 20189350923]

約数ペア:

[(1, 20189350923), (3, 6729783641), (7, 2884192989), (19, 1062597417), (21, 961397663), (57, 354199139), (73, 276566451), (133, 151799631), (219, 92188817), (399, 50599877), (511, 39509493), (1387, 14556129), (1533, 13169831), (4161, 4852043), (9709, 2079447), (29127, 693149)]