18157158

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 40903200

約数和(自身を除く): 22746042

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 137, 199, 222, 274, 333, 398, 411, 597, 666, 822, 1194, 1233, 1791, 2466, 3582, 5069, 7363, 10138, 14726, 15207, 22089, 27263, 30414, 44178, 45621, 54526, 66267, 81789, 91242, 132534, 163578, 245367, 490734, 1008731, 2017462, 3026193, 6052386, 9078579, 18157158]

約数ペア:

[(1, 18157158), (2, 9078579), (3, 6052386), (6, 3026193), (9, 2017462), (18, 1008731), (37, 490734), (74, 245367), (111, 163578), (137, 132534), (199, 91242), (222, 81789), (274, 66267), (333, 54526), (398, 45621), (411, 44178), (597, 30414), (666, 27263), (822, 22089), (1194, 15207), (1233, 14726), (1791, 10138), (2466, 7363), (3582, 5069)]