19550556

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{2729}}^1$

素因数の和:2938

約数の個数: 36

約数和(自身を含む): 49686000

約数和(自身を除く): 30135444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1791, 2388, 2729, 3582, 5458, 7164, 8187, 10916, 16374, 24561, 32748, 49122, 98244, 543071, 1086142, 1629213, 2172284, 3258426, 4887639, 6516852, 9775278, 19550556]

約数ペア:

[(1, 19550556), (2, 9775278), (3, 6516852), (4, 4887639), (6, 3258426), (9, 2172284), (12, 1629213), (18, 1086142), (36, 543071), (199, 98244), (398, 49122), (597, 32748), (796, 24561), (1194, 16374), (1791, 10916), (2388, 8187), (2729, 7164), (3582, 5458)]