18157755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 18706245

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 79, 105, 165, 199, 231, 237, 385, 395, 553, 597, 869, 995, 1155, 1185, 1393, 1659, 2189, 2607, 2765, 2985, 4179, 4345, 6083, 6567, 6965, 8295, 10945, 13035, 15323, 15721, 18249, 20895, 30415, 32835, 45969, 47163, 76615, 78605, 91245, 110047, 172931, 229845, 235815, 330141, 518793, 550235, 864655, 1210517, 1650705, 2593965, 3631551, 6052585, 18157755]

約数ペア:

[(1, 18157755), (3, 6052585), (5, 3631551), (7, 2593965), (11, 1650705), (15, 1210517), (21, 864655), (33, 550235), (35, 518793), (55, 330141), (77, 235815), (79, 229845), (105, 172931), (165, 110047), (199, 91245), (231, 78605), (237, 76615), (385, 47163), (395, 45969), (553, 32835), (597, 30415), (869, 20895), (995, 18249), (1155, 15721), (1185, 15323), (1393, 13035), (1659, 10945), (2189, 8295), (2607, 6965), (2765, 6567), (2985, 6083), (4179, 4345)]