18386856

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{971}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 31651704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 971, 1052, 1578, 1942, 2104, 2367, 2913, 3156, 3884, 4734, 5826, 6312, 7768, 8739, 9468, 11652, 17478, 18936, 23304, 34956, 69912, 255373, 510746, 766119, 1021492, 1532238, 2042984, 2298357, 3064476, 4596714, 6128952, 9193428, 18386856]

約数ペア:

[(1, 18386856), (2, 9193428), (3, 6128952), (4, 4596714), (6, 3064476), (8, 2298357), (9, 2042984), (12, 1532238), (18, 1021492), (24, 766119), (36, 510746), (72, 255373), (263, 69912), (526, 34956), (789, 23304), (971, 18936), (1052, 17478), (1578, 11652), (1942, 9468), (2104, 8739), (2367, 7768), (2913, 6312), (3156, 5826), (3884, 4734)]