19490031

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 12305169

約数列:

[1, 3, 9, 11, 27, 33, 99, 137, 297, 411, 479, 1233, 1437, 1507, 3699, 4311, 4521, 5269, 12933, 13563, 15807, 40689, 47421, 65623, 142263, 196869, 590607, 721853, 1771821, 2165559, 6496677, 19490031]

約数ペア:

[(1, 19490031), (3, 6496677), (9, 2165559), (11, 1771821), (27, 721853), (33, 590607), (99, 196869), (137, 142263), (297, 65623), (411, 47421), (479, 40689), (1233, 15807), (1437, 13563), (1507, 12933), (3699, 5269), (4311, 4521)]